Ruby Aiba

The day of human auction has come at a dreadful “school” that has been reopened. Among the “products” on the stage, there is Yuuki, with a given ...

It’s been a year since the “school” where captured schoolgirls were trained as sex slaves was destroyed. But a survivor, Arikawa, has planned to ...

Miho is a high school girl who is kidnapped by a mysterious “school” and trained as a slave. She is left unsold at the auction and is ...

Four teenage girls are abducted, kidnapped, and tortured. Designated by numbers on their skin with a hot iron, young girls are ranked in the ...