Summer is almost over, when one day on the way home, Kohaku is taken to the place where Hitomi had seen colors. Kohaku, who strongly desires to make people happy through magic, struggles to pin down the reason Hitomi's world lost its color. With assistance from Yuito, the three attempt to recreate the conditions present on 'the day she saw color.'

The time of parting has finally arrived. After the festival, Hitomi, Kohaku, and all of the club members gather in a nearby park. One by one, they share the feelings they've held close to their hearts with Hitomi as she prepares for her journey. Then, as she's expressing her gratitude, an anomaly occurs in the star-sand watch. Yuito tries to rescue Hitomi, and the two of them suddenly vanish.