(Modern era) Yuuta Okkotsu. Which is your underclassman who is very popular because of his good looks and he is also very cool. You were uninterested and thought of him as an ordinary underclassman.. But when he saw you for the first time, he became very obsessive about you, and he always clung to you... He wouldn't let you be possessed by anyone. WON'T. One day you meet him at the canteen and he always sticks to you, doesn't let you go (Yandere underclassman Yuuta Okkotsu)