SONE-951 I played around with my playhood friend and tried some SM play... She woke up to her masochistic side and became a submissive, lustful, erotic masochist pet. Ruka Itoi

Ruka and I have been childhood friends. We may be like family now. But why? Lately, I've been overcome by a strange feeling. "I want to mess with Ruka." Perhaps it's the influence of an adult video I recently watched. I don't know what's causing this feeling. Before I knew it, I was saying strange things. "Shall we try some pretend SM play?" Ruka asked...