”I can't stop the tingling in my body! I've never smelled anything like this before...!” Ayato, a vocational student who has sensitive olfactory, smells a very attractive scent on the train and for some reason makes his body have an uncontrollable sexual reaction! The scent comes from Hibiki, a good-looking classmate with a scary look in his eyes. Totally not Ayato’s type of guy! When Ayato gets captivated just by being around him, Hibiki doesn’t waste time and takes advantage of the situation!