The older brother is handed a pair of tickets for a planetarium in the outskirts of the forest from a girl who resembles Chikage, a mysterious thing he has seen before. My brother is going to take Chikage and Hinako with him, but only the two of them can enter. Chikage, who saw Hinako mourning her, said he was not interested in her fake stars and left. Then another girl appeared next to her brother...