A Terrifying College Senpai who specializes in turning those with whom they have had at least a relationship once into sex slaves who can't live without them for the rest of their lives!

一度でも関係を持った相手を、生涯自分無しではいられない性の虜に堕とす事を得意としている恐ろしい大学の先輩です / Ichido Demo Kankei wo Motta Aite wo, Shougai Jibun Nashide Hairarenai-sei no Toriko ni Otosu Koto o Tokui to Shite iru Osoroshii Daigaku no Senpaidesu