He failed in university entrance examinations and was a ronin (masterless samurai). His father, who was worried about Yoshisuke, decided to have his acquaintance's wife, and her great tutor, Asahi, take a look at Yoshisuke's studies. Next year was a good time to pass, but I became concerned about the chest of the colorful Asahi. Ashime realized that, by giving her a H-like reward every time she solved the problem, she led Yoshisuke to pass college.