My Little Monster (2018)

Haru Yoshida (Masaki Suda) is a high school student. He is viewed as a problem child with an unpredictable behavior. He also doesn't have any friends. Shizuku Mizutani (Tao Tsuchiya) is a high school student who studies too much. She is cold and doesn't have any friends. Haru Yoshida and Shizuku Mizutani sit next to each other in a classroom. A small thing causes Haru Yoshida to have feelings for Shizuku Mizutani. He confesses to her about how he feels.