Board Thread:General Discussion/@comment-6986530-20170321154902/@comment-9410476-20170908080737

LIke i said it's probably Kachelina, a real world russian name

Were it katrina or Katerina  they would've been spelled like this

カテリーナ(Katerina) カトリーナ(Katrina)

Kachelina is written in japanese like カチェリーナ which as stated is a real name, that is russian, coincidently she happends to live in a country based on russia