Keiichi goes with Rena to retrieve the Colonel so she can take him home with her. Later, Keiichi and his friends have fun at the festival and watch Rika performing the ritual.

Keiichi and his friends attend a game competition at a Sonozaki family owned shop. As a consolation prize for the event money, the store owner gives dolls to everyone except Mion. Keiichi gives his to Mion as he sees no value in keeping it. Later, Keiichi and his father meet at the cosplay restaurant. There, Keiichi meets Shion and confuses her for Mion, due to similar appearances. She proclaims that she is actually Mion's twin sister. Keiichi believes she is Mion pretending to be effeminate.

Inside the sacred shed Keiichi learns about the dark origins of the Hinamizawa village and the Festival. The day after he finds out that Miyo, Jiro, and the village mayor have gone missing.

Keiichi learns more about Satoko's painful past, which causes him to care for her even more.

After Satoko's panic attack, Keichi, the club, and the rest of the class are desperate to ensure her safety.

Rika makes a decision; Rika and the club members visit a toy store in Okinomiya.

A year after escaping near death, Rika reminisces about Hinamizawa; Satoko receives some surprising news; Rika decides she wants to go to St. Lucia Academy.

Rika gets the life she's longed for at St Lucia Academy, but Satoko struggles.

Satoko tries again by using Miyo, who now also retains memories from previous loops.

Rena purchases tools at a local hardware store and places them in her hideout at the Dam Construction Site. Rina visits Rena's house and is delighted when Rena suggests that the two spend time together.

After watching Rika express her continued resolve to escape her fate to Hanyu in the Sea of Fragments, Satoko awakens alongside Rika in a new world. In need of a more reliable murder weapon, Satoko manipulates Teppei into giving her the contact information for an arms dealer.

Satoko stops attending school and continues convincing Teppei that she is being bullied by the village. Keiichi and the others begin protesting outside of Child Welfare Services. Wanting to protect Satoko, Teppei invites Oishi to the house to explain the situation.

Keiichi continues to lead protests outside of Child Welfare Services to save Satoko. After seeing Keiichi's determination, Oishi suspects that he has been tricked by his friends into unwittingly taking part in bullying Satoko. When the Sonozaki family begins pressuring Child Welfare Services into action, Oishi offers to escort a social worker to the Hojo residence.

After beating her uncle to death, Satoko showers to clean the blood off of herself and attends the festival with Rika and the others. During Rika's dance, Satoko lures Keiichi away and asks him to come to her house.

Eua overpowers Hanyu and forces her to watch Rika's death at the hands of Keiichi and Satoko in two separate fragments. While purchasing a present for Satoko's birthday in a new world, Rika begins to experience memories of being killed by Oishi.

Rika and Satoko begin to fight to the death across numerous loops.

Rika begins punching Satoko, telling her that she could never live in a world without her.