As Mato prepares to go to training camp with her basketbol club, Yomi starts to become jealous of Mato's childhood friend, Yuu Kotari. Mato has madami dreams involving Black ginto Saw during camp, and at the same time, Saya takes an interest in Yomi. Upon returning to school, the basketbol coach, Arata Kohata, discovers a pag-ibig letter she wrote for a boy she liked had been posted for all to see. Although she holds back tears in front of the crowd, she comes to realise those laughing behind her back when she is taunted sa pamamagitan ng Saya. In the other world, Black Rock Shooter attacks Black ginto Saw's hideout, killing her minions, one of which resemble Arata. Simultaneously in the human word, Arata experiences a sudden pain in her head and falls unconscious in front of Mato.