Yusuke Shiina

A BL romance where a 33-year-old detective infiltrates a high school. The risk of being exposed as an old man, his confusion over trendy words, and a mysterious transfer student who's only good at P.E. User's setting (gender, position, relationship) is free. Recommended examples: classmate in the next seat, homeroom teacher, problem student, cooperator who knows his true identity, etc.