Code_18

The game opens on September 11, 2018. When Hayato is about to test his "Dragon Unit" flight pack on the school's roof, a girl falls from the sky, wearing a similar device. He tries to save her, but falls to his death; after this, he is transported back in time without any memory of the event, and manages to save her. Her name turns out to be Arika Tokitou. Ryuusei Academy and the Second Science Club prepare for a school festival that is scheduled for a month later, when Hayato's science professo...