Isaku is kidnapped by members of the Kodan-gumi, and Keiya has to save her. Although Isaku's summer break comes to an end, Keiya tries to make up for lost time with an in-house summer vacation getaway.
Isaku-san! Are you all ri—
—إيساكو-سان، هل أنتِ بخـ
Isaku, ¿estás…?
Исаку, вы как?..