Yamamoto Ai

Dojima Otaro works as a popular host. Because of a past incident, he believes that love makes people unhappy. He now only pursues money and power. A mysterious woman appears in front of Dojima Otaro. The mysterious woman has a pale face with red lips. She kisses him and he dies, but the next moment he regains consciousness. He realizes he is now 7 days in the past. The mysterious woman also follows him. Due to her kiss, Dojima Otaro dies and goes back to the past over and over again.

Set in a world where the men are the ones who get pregnant. Kentaro Hiyama works at an advertising agency while his romantic partner Aki Seto is a freelance writer and editor. She prioritizes her career and ignores her parents' pressure to marry. One day, Hiyama learns that he is pregnant, surprising both himself and Seto. Neither had expected to become parents. As Hiyama endures increasing difficulties with his pregnancy, he and Seto must decide whether or not to have their baby. (Source: AsianWiki)