Kimi no Koto ga Dai Dai Dai Dai Daisuki na 100-nin no Kanojo

Rejected 100 times when he was in middle school, Rentarô Aijô goes to a shrine and prays for better luck with girls once he enters high school. The God of Love then appears and promises him that he will soon meet 100 love interests. But there's a problem: once fate introduces him to someone, he must love them back, otherwise, the girl will die. What will happen to Rentarô and his 100 girlfriends?