Makoto's class begins to prepare for the upcoming festival, during which time Setsuna, convinced he is now dating Sekai, tells the group that he and Kotonoha split. She continues throughout the week keeping Kotonoha away from Makoto, even adding her number to his phone's blocked list, an effort he begins to question. Sekai gets word of this change of heart, suspecting that Makoto is falling back in love with Kotonoha, a situation that worsens when Kotonoha pays an unexpected visit to his apartment that night...