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Mikoto's girlfriend, Megumi, and his older sister, Makoto, come to visit him at school during the cultural festival, and things do not go exactly as planned.
With the school festival over, things are supposed to get back to normal, but then strange things start happening to Yuujirou.
The chase continues to find out what Sayaka is doing at Toru's school, and later Toru has to decide if he wants to stay at the school or go back home. In the end, he decides to stay.