STC's national tour finally reaches its climax. They head to Setsu's hometown of Aomori City! After Mai joins the band as a full member, Setsu's real father, Ryugen Kamiki, opens for STC. Ryugen then shows off a rendition of Setsu's grandfather Matsugoro's Jongara. Infuriated by this, what sort of sound will Setsu play? Meanwhile, as Wakana faces a turning point with the announcement of the winner of the Japan Cable Awards, STC heads towards its major debut!