ruma reaches the workshop where Kirio reveals he plans to use the firework to destroy the school. Kirio reveals the Ami family are famous for their barriers and magical strength, but when he was born with weak magic he was sent to the Garden of Delinquents for problem children. Despite being bullied he made a friend, but when bullies stole her earring and threw it in a river, Kirio tried to catch it with a barrier but failed, devastating her. That was when Kirio realised he perversely enjoyed watching people's despair...