Nijuu Mensou no Musume EP15 - The Detective Girls

Now living in their own mansion, Tome invites Shunka over to visit. As Shunka continues to express her fantasy of the "Detective Girls", consisting of herself, Chiko, and Tome, Tome becomes suspicious of Akine, who has dropped by for an unexpected visit. Chiko's aunt, still wishing to kill her niece, sends two assassins and plans to use Akine to take the fall for Chiko's death, only for Chiko to beat up both assassins, with some help from the other Detective Girls and Akine. Akine, wishing to protect Chiko, breaks ties with Chiko's aunt and resolves to protect Chiko.