OYC-150 I was sold to a girl in my class and used as a toy by old men I didn't know.

A serious girl is approached by a sparkling girl who reigns at the top of the school hierarchy and is invited to play. - Excited, I followed her to a dirty studio room. - What was waiting for me there was... an old man I didn't know! - ? - Serious girls are sold to glittery girls for money and end up having sex with old men! - A serious girl falls into a deep darkness as she watches a sparkling girl count money and call another guy to make the next appointment while being held by a filthy-looking old man...