His wife, Eri (Ono Karin), has been rejuvenated to look like she was in her 20s. To her husband Hiroyuki (Hirahara Tetsu), she was a strange woman before she met him...! And the story goes to the main chapter - a world where most adults other than young people have the same face of a man (Goro Inagaki) and a woman (Rosa Kato). Seiya (Yuzu Aoki) and Rin (Ai Mikami), who live next door to each other, are in love with each other, but have a complex and are unable to express their feelings. One day, Rin meets a woman named Onoda (Yoshida Yo) at a movie theater.