Setsu's unconventional mother, Sawamura Umeko, has suddenly descended and forced him to enroll at Umezono Academy. In helping to assemble a shamisen which has lain long disused, he meets Maeda Shuri, a girl in the same grade as him. While all this is going on, Setsu reunites with his older brother, who he hasn't seen in a while, and they play shamisen together...
Wakana-chan.
.واكانا-تشان
Wakana-chan.
-Wakana.
-¿Sí?
-Wakana.
-¿Sí?
Wakana…
Wakana-chan.
Wakana-chan.
Вакана.