One of Sawakos classmates is easily influenced by others and tends to remain in the background during interactions. Jounouchi has a strong attachment to Kazehaya, which often leads him to unintentionally interrupt conversations between Sawako and Kazehaya. At one point, after expressing his feelings for a girl he admired, Jounouchi is rejected. He finds comfort in the presence of Kazehaya during this difficult time.
After hearing about how Yano broke up with her boyfriend, he sets his attention onto her.