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For other uses, see Master of the Heavenly Yard (disambiguation).

Akuno-P[note 1], also known as mothy[note 2], is a song writer and producer who uses the Vocaloid software. He is the creator of the Evillious Chronicles and is best known for his The Daughter of Evil Series. He has produced over fifty songs using fifteen different Vocaloids and written over a dozen light novels for four different series.


Early Life[]

Interested in music from a young age, mothy's parents bought him a folk guitar while he was in middle school; he later played bass for a band circle in college. Although working to become a professional bassist for the group, the band broke up while he was in his mid-twenties and he ended up taking a job as an office worker.

During this time, he watched videos of MEIKO posted on Nico Nico Douga and became inspired by the excitement surrounding Hatsune Miku's release for the Character Vocal Series in August 2007; he eventually aspired to compose his own music using the Vocaloid software.[1] Seeing how widely used Miku was at the time, mothy instead chose to buy the Kagamine Rin and Len in December 2007 and began experimenting with their voicebanks in early 2008.[2]

The Heavenly Yard[]

Akuno-P at a convention early in his career

After publishing his first few songs on Nico Nico Douga, mothy created his first major release, The Daughter of Evil.[3] Although initially not garnering much attention, the song became a hit following the release of its sequel, The Servant of Evil. mothy released Regret Message soon after, drawing connections to his previous two songs.[4]

In July, the increasingly popular Vocaloid producer, accepting his alias as "Akuno-P" in fan comments,[2] began posting the outline for the story he conceptualized on his blog, "the heavenly yard".[5] Around this time, he had already begun concepting a far more gruesome story and developed the idea of a more monstrous character.[6]

With the release of his seventh song, mothy began thinking about connecting his different songs and stories into one cohesive universe. By the end of the year, the idea became clearer in his mind with the release of Re_birthday. [7] Finally formulating the concept, mothy published his earlier dark story, Evil Food Eater Conchita, as the second song of his Seven Deadly Sins Series, tying The Daughter of Evil directly to the new series as the song of "Pride". Building upon his popular success with The Daughter of Evil Series, mothy continued with new releases for his different series.

On May 17, 2009,[8] the producer released his first album, entitled Evils Theater, that began telling another tale about the Collector who built a movie theater featuring his collectibles, led by his most beloved Clockwork Doll.[9] The following year, mothy released two other albums, Prelude to Forest and Evils Forest, which further expanded upon the story of the theater.[10] On July 29, 2010, following the success of The Lunacy of Duke Venomania, Akuno-P announced that The Daughter of Evil would be published as a light novel.[11]

Revealing Evillious[]

Website advertisement for The Daughter of Evil: Clôture of Yellow

After the release of The Daughter of Evil: Clôture of Yellow, mothy began promoting his next big release, Evils Kingdom, for the end of the year.[12] Several months after the album was released in December of 2010, mothy uploaded one of its songs, Chrono Story, to Nico Nico Douga.

Having alluded to connections in the past, especially with Evils Kingdom, mothy confirmed that Chrono Story was chronologically tied to Moonlit Bear, Tale of Abandonment on a Moonlit Night, and The Lunacy of Duke Venomania, and that the character Elluka Clockworker from Chrono Story was the same as the character seen in The Daughter of Evil light novels.[13]

Having revealed that all his series had been connected to the same world, the Vocaloid producer uploaded a PV for another song from Evils Kingdom, Judgment of Corruption. Not long afterward, he posted Gift from the Princess who Brought Sleep and Fifth Pierrot.[14] In August 2011, mothy confirmed the release of Entr'acte of Evil: The Daughter of Evil Worldguide to elaborate on the connections between all his songs to his "Evillious" series and The Daughter of Evil.[15] In early September, Evils Court was released and continued to elaborate on the story begun in Evils Theater and one of its new tracks,[16] Capriccio Farce, was posted on Nico Nico Douga on October 29 of that year.[17]

Continued Work[]

mothy's stand at Comic Market 84

Finishing off his Story of Evil with The Daughter of Evil: Praefacio of Blue on March 23, 2012,[18] mothy already announced a follow up light novel series for the Seven Deadly Sins, starting with The Lunacy of Duke Venomania.[19] In July of that year, mothy also announced a manga related to the light novel would be released to promote the new series.[20]

By the time Epic of Evil: The Daughter of Evil Fanbook was released in August, The Daughter of Evil series sold over 800,000 copies total.[21] Shifting focus more to the events preceding his last novel series, mothy released his first album for the Original Sin Story in August 2012,[22] and later released the first of his Deadly Sins of Evil series in December.[23]

In July of 2013, mothy revealed another new novel series independent of Evillious: Torture Tower Doesn't Sleep;[24] to promote the reveal and the series' first light novel, he posted a new song featuring VY1 to show off the three sisters of torture.[25] The month after, Akuno-P released the second act of his Original Sin Story,[26] followed by the light novel elaborating on the tale of his popular Evil Food Eater Conchita.[27]

Later in December, the first guidebook for the series was released, including the short story Heavenly Yard penned by mothy;[28] the guidebook similarly advertised the next two iterations of Deadly Sins of Evil for the summer of 2014.[29] As part of the promotion, mothy penned a collection of short stories relating to the changing season for select purchasers of the guidebook emailed to registrants from mid-February to March, 2014. To commemorate the release of the first manga volume adapting his The Daughter of Evil novels, mothy took part in a livestream with the manga's artist, Ichika.

Seven Sins Complete[]

Character layout for The Seven Crimes and Punishments website

In March of 2014, mothy posted a poem on twitter entitled "Nemesis", though discrediting its importance.[30] Later on in June, he announced that a new album would be released at Comic Market that summer with a new song in Seven Deadly Sins series,[31] soon after confirming that he would be uploading the song for "Wrath" to Nico Nico Douga during the same season.[32]

After the release of The Muzzle of Nemesis and its subsequent album during August,[33] mothy published his third Deadly Sins of Evil light novel for Gift from the Princess who Brought Sleep later that month.[34] As part of the promotion, mothy penned a new short story relating to the story of the novel for its purchasers, emailed to registrants throughout December, 2014.[35]

In mid-November, mothy announced he would have a line up of releases in each month from December until March, leading up to the release of Deadly Sins of Evil: Fifth Pierrot.[36] On November 29, Akuno-P teased a potential announcement for a new release in mid-December.[37] On December 12, mothy announced a new album entitled "Seven Crimes and Punishments" featuring all seven songs in his Seven Deadly Sins series to be released at the end of February, 2015.[38] Promoting it as his second major album release since Evils Kingdom, mothy advertised a limited edition of the album including a new 150-page short story written by him.[39]

Later on December 14, mothy took part in a livestream with artists Ichika and Tamara to promote the release of The Daughter of Evil: Act 2 and Quartets of Evil.[40] Later on during Christmas, mothy posted a preview of the prologue for the album's limited edition story. At the start of the New Year, the song producer tweeted his plans to upload videos for one or two songs for promotion of his newest album. Akuno-P later tweeted pictures on January 28 of his "secret" recording session with Asami Shimoda, the voice provider for Kagamine Rin and Len.

Thumbnail used for the Seven Crimes and Punishments PV

Several days later, he uploaded a PV for The Portrait Glassred Drew from the album. Following the song's release, mothy tweeted confirmation that another song video would be uploaded to celebrate the seventh anniversary of his song career. On February 13, the song PV for Seven Crimes and Punishments was posted, labeled as Clockwork Lullaby 7.

Less than a week later, mothy posted another video featuring Asami Shimoda's reading of a chapter excerpt from the Seven Crimes and Punishments story, including in the album that would be made available on iTunes. After the album and limited edition story were released on February 25, natalie posted its transcribed interview with Akuno-P. During the interview, mothy confirmed he currently planned to end his Evillious series in roughly five years. The month afterward, on March 19, mothy's light novel adaptation of Fifth Pierrot was finally published.

Afterward, mothy announced he would be releasing a new light novel unrelated to Vocaloid software, titled "Unlock City", and began advertising a new song to coincide with the album. On June 13, Akuno-P tweeted he would be attending Comic Market 88 and sell a new "Original Sin Story: Complete Edition" album at the convention. He finally published Unlock City on July 3 of 2015.

During a livestream for the upcoming Deadly Sins of Evil: The Tailor of Enbizaka in December, mothy confirmed he was working on a new PV for Ma Survival. In celebration of Seven Crimes and Punishments' first anniversary, the album's limited edition story was released in e-book format with a new extra chapter. Akuno-P finally uploaded the Ma Survival PV on May 4. A month later, Akuno-P announced he would release a new album at Comic Market 90.

Inspiration and Style[]

Usually, mothy comes up with his ideas while doing his regular activities such as walking, eating, and bathing.[41] He has also been inspired by video games and books he enjoys. Often, his works include elements of tragedy or macabre and commonly employ themes of escape, free will vs fate, and evil, the latter of which appears regularly in his Evillious series.[42] He also draws upon historical and mythological figures, events, and concepts when developing his stories.[43]

When asked about the creative process for writing the novels, mothy describes that he first writes out a rough synopsis of the plot and a list of all the characters that appear in the story, elaborating on their likes and dislikes, appearance and personality, strengths and weaknesses, even if they only play a supporting role in the overall plot.[44] Afterwards, he develops the environment and locations as well the current history and relationships between the different countries before delving more into the city and country mainly comprising the setting.[45]

Once the plot elements are interlaced, he rewrites a longer and more detailed synopsis, giving proper attention to which story elements he wishes to foreshadow when,[46] and then begins dividing the events by their individual scene.[47] If the final draft is too large, unnecessary scenes are cut to make the page allocation; the rough process is similarly employed to develop the stories for his songs.[48]

When developing the series themselves, Akuno-P conceptualized a rough flow of the plot and how his series will play out, saying he uses a general schedule for his overall plans for his series.[49] Despite this, mothy admits that several small and large portions of the plot were developed at the "spur of the moment" and built upon afterwards.[50] Due to the use of the Vocaloid software in his works, mothy often ties his characters' names and certain aspects to a certain Vocaloid or related software.[43]





The Daughter of Evil[]

Deadly Sins of Evil[]

Original Sin Story[]

Torture Tower Doesn't Sleep[]



Conceptualization and Origin[]

  • The name Akuno-P (悪ノP) is derived from his early works for The Daughter of Evil Series, making his name literally mean the "Producer of Evil".
  • The name mothy is an abbreviation of Master of the Heavenly Yard, shared with the character of the same name; humorously, his blog is dubbed as "The Heavenly Yard".


  • Kagamine Rin is mothy's favorite and most-used Vocaloid.[51]
  • When asked about his favorite character in The Daughter of Evil series, mothy answered that he liked the Three Heroes, especially Mariam.[52]
  • Due to the biblical themes in the Evillious Chronicles, some fans assumed mothy was a Christian, but when asked about it he confirmed he is a Buddhist.[53]
  • His birthday is on October 1st.



  1. 「巻頭大特集 グラビア&スペシャルインタビュー mothy_悪ノP」、『ボカロPライフ』第2巻、学研マーケティング、2011年11月、 18-25頁。
  2. 2.0 2.1 “人気ボカロP「悪ノP」が語る、リンとレン、そのストーリー”. BARKS (ITmedia). (2010年1月17日) 2010年2月7日閲覧。
  3. Nico Nico Douga Posting – April 6, 2008
  4. Nico Nico Douga Posting – May 25, 2008
  5. The Heavenly Yard – July 12, 2008
  6. The Heavenly Yard – March 5, 2008 – 「悪食娘コンチータ」のネタ自体は実はだいぶ前からあったものです。 具体的には「悪ノ娘」の次の曲用に考えていたネタの一つであったわけで 当然、VOCALOIDもリンで行く予定でした(当時他のボカロもっていなかったからねw)
  7. The Heavenly Yard – May 29, 2012
  8. The Heavenly Yard – May 11, 2009 – ・頒布・販売形式について。 現在確定しているのが 5月17日(日)イベント「ボーカロイドマスター8」
  9. Evils Theater
  10. The Heavenly Yard – April 20, 2010
  11. The Heavenly Yard – July 29, 2010
  12. The Heavenly Yard – October 14, 2010
  13. The Heavenly Yard – May 12, 2011
  14. Nico Nico Douga Postings
  15. The Heavenly Yard – August 27, 2011
  16. The Heavenly Yard – August 4, 2011
  17. The Heavenly Yard – October 29, 2011
  18. The Heavenly Yard – March 23, 2012
  19. The Daughter of Evil: Praefacio of Blue – Advertisement
  20. The Heavenly Yard – July 15, 2012
  21. The Heavenly Yard – August 22, 2012 – 今春に無事完結を迎え、累計80万部を突破した『悪ノ娘』ノベルシリーズのファンブックが8月26日に発売されます。
  22. The Heavenly Yard – August 10, 2012
  23. The Heavenly Yard – December 3, 2012
  24. The Heavenly Yard – July 11, 2013
  25. The Heavenly Yard – July 26, 2013
  26. The Heavenly Yard – August 10, 2013
  27. The Heavenly Yard – September 21, 2013
  28. – 「悪ノ円舞曲 『悪ノ大罪』ガイドブック」PV
  29. Waltz of Evil: The Deadly Sins of Evil Guidebook
  30. @mothy_akuno – March 4, 2014 – 以上、深夜のポエムでした。特に意味はありません。
  31. @mothy_akuno – June 9, 2014 – 夏コミ受かってたみたいなんで、新譜出すよー。大罪シリーズ新曲を含む9~10曲入りくらいになりそうかな。
  32. @mothy_akuno – June 9, 2014 – 大罪シリーズ憤怒曲「ネメシスの銃口」は動画でもUPする予定です。間に合えば夏くらいには。
  33. The Heavenly Yard – July 25, 2014
  34. The Heavenly Yard – August 23, 2014 – 今月27日に小説「眠らせ姫からの贈り物」が発売されます。
  35. @mothy_akuno – November 29, 2014 – 受付は今日の24時までのようです。 【早期購入特典】『悪ノ大罪 眠らせ姫からの贈り物』購入特典 「悪ノP書き下ろしショート・ストーリー」を配信
  36. @mothy_akuno – November 14, 2014 – 来年の1月、2月、3月にもそれぞれ何か出る予定です。一つだけ書籍じゃない。
  37. @mothy_akuno – November 29, 2014 – 12月中旬頃には何か発表があるかもね。
  38. The Heavenly Yard – December 12, 2014 – 2015年2月25日にWarner Music Japanからmothy_悪ノPのメジャー2ndCD「七つの罪と罰」が発売されることが決定いたしました。
  39. The Heavenly Yard – December 12, 2014 – 150Pというと普段出している小説のおよそ半分くらいの文章量にはなるので
  40. The Heavenly Yard – December 14, 2014
  41. The Heavenly Yard – May 29, 2012 – 電車に乗っている時、お風呂に入っている時、ウォーキング中の時など。
  42. The Heavenly Yard – May 29, 2012 – >質問なんですが、「七つの大罪シリーズ」ノベル化決定とありますが、それは「七つの大罪」の楽曲のテーマである、【色欲】【悪食】【傲慢】【怠惰】【嫉妬】【強欲】【憤怒】をテーマごとに小説化ということでしょうか? そういう事です。それぞれは独立した物語にする予定ですが、当然各物語ごとに繋がりはあるものになります。
  43. 43.0 43.1 The Heavenly Yard – May 29, 2012 – 「悪ノ娘」の主要人物は元ボカロの名前のもじり。
  44. The Heavenly Yard – May 29, 2012 – まずは大まかなあらすじ、及び登場するキャラクターを考え、 その後は脇役を含めた全キャラクターの履歴書を作る(見た目、性格、長所や短所、好きな物や嫌いな物、これまでの人生など)。
  45. The Heavenly Yard – May 29, 2012 – それから舞台となる国や町の詳細設定を考える(制度、他国との利害関係、施設、環境、歴史など)
  46. The Heavenly Yard – May 29, 2012 – そうするとストーリー自体に色々と入れ込みたい要素が出てくるので、それを元にもうちょっと長いあらすじを書いていく。 (どの要素を伏線として使用するかも考えつつ)
  47. The Heavenly Yard – May 29, 2012 – とりあえず最初と最後がどうなるかだけははっきりと決めておく。それができたらシーン分けをして、各シーンごとの詳細なプロットを作っていく。
  48. The Heavenly Yard – May 29, 2012 – (ページ配分を考えつつですが、大概は多くなりすぎるので、適度に不要なシーンを削っていく)
  49. The Heavenly Yard – May 29, 2012 – 基本は同人ベースなので、僕のスケジュールと仕事の兼ね合いによる、としか言えないです。
  50. The Heavenly Yard – May 29, 2012
  51. The Heavenly Yard – June 4, 2012 – >好きなボーカロイドについて語っていただきたいですwwww ずっとリンが一番好きですよ。
  52. Entr'acte of Evil: The Daughter of Evil Worldguide – 三英雄だし優秀な設定なのに、実はまったく役こ立っていなマリアムさん。
  53. @mothy_akuno – February 26, 2018 – 仏教徒です。


  1. 悪ノP
  2. mothy

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