[Machine Translation] What's inside my pregnant wife is inside me! A new maternity story about how a married couple should be! Immediately after the birth of his first child, Yuichi is divorced from his wife, but when he wakes up, he travels back in time to the beginning of her pregnancy and finds himself as the pregnant wife! Every day he realizes the reason why his wife divorced him.... Then, a man who is the complete opposite of "I" who can say "I don't feel like a party when I say 'I'll help you raise your child'," appears on the scene! I" am gradually being influenced by the people around me and changing, but there are still a lot of problems to solve...?