Like a close childhood friend (without interest in sex) becoming a drug-addled, submissive sex slave to a middle-aged man. (Mitsubou Tsubaki RBK-040)

Reuniting with my childhood sweetheart after several years left me puzzled. Seeing her dressed in fashionable clothes and made up, looking as alluring as ever, I wondered what had happened during those years... If only I hadn't heard anything...