Shinpachi Shimura returns to the Yorozuya and discovers his friends drastically changed during the break. Feeling left behind, he returns home and discovers his sister, Tae Shimura, engaged to Isao Kondo. Tae and Kando enlists Shinpachi into the Shinsengumi and reveals that Tae is pregnant. Shinpachi runs to the ocean and laments the sudden changes of those around him. There, he learns about Kyubei Yagyu's sex change to modify her life. They are interrupted by Kotaro Katsura who also changed his gender due to his and Kyubei's characters' similarities.