Isekai Ni Tondara Rival Ni Hamerarete Mashita!? 2
Amatatsu is a brash, but normal high school student until he wakes up in the middle of doing it with another guy!! To make matters worse, the culprit is his biggest rival, Sen! Is it really possible he's come to a parallel world where he and Sen are a couple…!? (Continuation of the first volume).
