○ The father of Mina (Ashina), a teacher at the school, was tricked by a member of the Mochizuki group and committed suicide. Her sister was sold into the sex industry. Driven to desperation, she stabbed a member of the Mochizuki group and ended up in prison. After her release, she tried to live a happy life but was kidnapped and held captive as revenge by the Mochizuki group.
