After being so deeply moved by Setsu's performance, Shuri decides to seriously pursue playing the shamisen. With Setsu at the center, Shuri, Shuri's childhood friends Yamazato Yui and Yaguchi Kaito, and the addition of Nagamori Rai, a fellow student with shamisen experience in a different style, the Tsugaru Shamisen Appreciation Club is formed! But with everyone being new to Tsugaru shamisen, Setsu isn't sure how to approach teaching them, so he ends up...

The Tsugaru Shamisen Appreciation Club has entered the tournament that Umeko is sponsoring, the Matsugorou Cup. Also participating are Tanuma Mai, who has thought of Setsu as a rival since they were little, and her older brother, Tanuma Souichi. With strong competitors like Osaka's Kaji Takaomi and Fukuoka's Arakawa Ushio gathered from all over Japan, the tournament is shaping up to be a fierce battle. And now, the curtain rises on the Matsugorou Cup's group competition!

The Tsugaru Shamisen Appreciation Club has placed 3rd in the Matsugorou Cup. Next, the individual competition finally begins. However, someone unexpected has come to the venue—Kamiki Ryuugen. He reveals to Umeko that he wants Setsu to inherit the Kamiki School from him because...