A girl raised with love in a wealthy family. But her home was strict, filled only with cram school and extracurricular activities, making every day suffocating. Even for these girls, there was one place where they could truly relax. A shack belonging to an old man they met in the park, who looked dirty but was kind. The girls called it their secret base. However, one day suddenly, the old man, excited by a girl who was too defenseless, bared his fangs!
