[Machine Translation] With the addition of Nagi's first love, Ai-chan, the pentagonal relationship of love begins to move rapidly! A shocking revelation is also revealed at the Noryo Festival where everyone gathers! Nagi Unno, a sophomore at a prestigious private high school, was mistaken for a boy when she was a baby. One day, she runs into Erika Amano, a very young high school girl who is on her way to meet her daughter-in-law, and half-heartedly asks her to pretend to be her boyfriend. However, they had no way of knowing this at the time. Erika is a child who was mistaken for Nagi, and Nagi is Erika's ex-wife. ...... A romantic comedy of intertwined lives begins with "The Misplaced Child"! Nagi's first love, Ai-chan, joins the pentagon of love, and the pentagonal relationship begins to move rapidly! Sachi, dressed up in fashion, goes out on a date with a boy in her class. A couple is formed ahead of her brother and sister...? On the other hand, Ai-chan can't forgive Erika for being her "forgiven wife"! A battle breaks out over Nagi! At Meguro Myojin, Hiro's parents' home, a summer festival is held. Everyone gathers at the festival and the excitement is at its peak! A shocking fact is also revealed!