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Set in a world where men can give birth. Now 35 years old, Hiyama Kentarou is busy supervising his subordinates as a section chief while also raising his child, Koutarou as a single father. Since the prejudice towards men who give birth is still strongly rooted in society, Hiyama now finds the cafe he produced specially for those men to be in trouble of staying afloat. While Hiyama was worrying over this, a certain pregnant man came to visit him...
Shinobu Watanuki (39), who has moved into her husband's family home, is an unsuccessful comic artist. She had planned to use this move as a chance to give up her career, but after one of her old works becomes a hit online, she decides to create a new comic instead. In need of help with this, she looks for an assistant online. A handsome 22-year-old man named Chiaki Tachibana applies to her ad, and Shinobu finds herself at a major turning point in her life. Delve into a poignant tale by a seasoned comic artist, skillfully blending themes of dreams, career, and romance in life from 40.