 The Astro Circle eventually recruit You's neighbor Isuzu Aoi by recreating the southern night sky in a homemade planetarium, due to Isuzu loving the southern constellations, resulting in their elevation to official club status.While visiting the lookout with one evening, You, Chinami, and Mare are attacked by an unseen figure, implied to be Setsuna.Chinami is knocked unconscious but recovers; subsequently, the attacker texts You and asks to meet him at the lookout.