Rena buries bags containing Rina's dismembered body over several days. After seeing Keiichi speaking with Öishi outside of school, Rena becomes convinced that Keiichi knows about her crime. She later overhears Keiichi talking on the phone with Öishi about her past. When Keiichi's mother leaves town for a work trip, she asks Rena to cook dinner for Keiichi. Rena arrives at Keiichi's house with tools for disposing of a body hidden inside dinner boxes. Despite Keiichi's initial hesitation, he lets Rena into his house after remembering Rika's encouragement not to doubt his friends...