List of Minor Characters in the Original Sin Story

This is a list of minor characters that have appeared or are mentioned in passing in the Original Sin Story, including in its songs or other related media.

3rd 'Ma' Test Subject
The test subject chosen for the third Project 'Ma'. Due to her frail body, she died during treatment and the project was subsequently suspended.

4th 'Ma' Test Subject
The test subject chosen for the fourth Project 'Ma'. At some point during her tenure in the project, she was murdered by Apocalypse and the project was subsequently suspended.

5th 'Ma' Test Subject
The test subject chosen for the fifth Project 'Ma'. After undergoing treatment, she conceived and later birthed a single child. Because she hadn't given birth to twins, she was punished by the project's staff.

Cain & Abel
Cain and Abel were the stillborn twins of Eve Zvezda. Although successfully conceived in Eve's womb as part of Project 'Ma', the twins died during the birthing process. Following their deaths,  the two of them fled to Elphegort. Their deaths traumatized Eve greatly and led to the creation of the Original Sin.

Irta Li
Irta Li was an aristocrat of the Magic Kingdom Levianta and the father of Ly Li. He and his family provided a large amount of funding for the seventh Project 'Ma' and pressured the Senate to allow his daughter to become one of the candidates.

Marina Lucif
Marina Lucif was the test subject chosen for the sixth Project 'Ma' and the wife of Vey Lucif. Born during the BT era, Marina later married Vey. She was later surveyed for Project 'Ma' and selected as a candidate, undergoing treatment at the royal institute. After conceiving twins, Marina was abducted by her husband and later killed, her unborn children removed from her womb. Following Marina's death, her husband secretly raised the children on his own. Her corpse was later discovered in the village of Nemu with the fetuses missing, ending the project in failure. The twins she conceived later became forerunners of the Lucifenian Royal Family.

Raisa Netsuma
Raisa Netsuma, also known as The White Demon of Jakoku, was the third head of the Netsuma Clan and a member of Apocalypse. Sometime during the BT era, she joined the terrorist organization and became close friends with one of her fellow members, Meta Salmhofer. Shortly after Meta's capture, she died. Following her death, the angered Netsumas engaged in terrorist strikes. She is represented by the Vocaloid derivative Yowane Haku.

Vey Lucif
Vey Lucif was the husband of Marina Lucif. Born during the BT era, Vey later married Marina. After his wife was accepted as the sixth candidate for Project 'Ma' and received treatment, Vey abducted her while she was pregnant with the twin fetuses. She was later killed and her babies extracted from her womb. Afterward, Vey fled and secretly raised the twins on his own.

Yegor Asayev
Yegor Asayev, also known as The Black Baron, was a member of Apocalypse and a member of the Asayev Family. He is the ancestor of Mikhail Asayev, who was the founder and leader of Neo Apocalypse.