Kuso Onna ni Sachi Are 1 (Jump Comics)

[Machine Translation] I'm actually four-timing, sorry". When he was in junior high school, Akiyoshi Sunao was badly dumped by his first girlfriend in his life. He thought that he would never fall in love with anyone again, but when he became a university student, he started to be attracted to Natsumi Ogawara, a senior member of a film club. But then he meets his ex-girlfriend, Nishikawa Lemon. And when he wakes up the next morning, his body has been switched...? This is the first volume of a changing, changing love story!

「実は4股してるの ごめんね」。中学時代、人生で初めての彼女にヒドイ振られ方をした秋吉直。「もう誰かを好きになることなんてない」と思っていたが、大学生となり映画サークルの先輩・小河原菜摘に惹かれ始める。しかし、そんな折に元カノ・西川檸檬と再会。しかも翌朝目が覚めると、身体が入れ替わっていて…!? 替わる、変わる、恋愛模様の第1巻!!