Shizuku Mizutani is a fictional character from the anime and manga series My Little Monster (originally titled Tonari no Kaibutsu-kun). She is a high school student known for her studious nature and lack of interest in socializing. Shizuku is focused on her academic goals and often prioritizes her studies over friendships and relationships. Despite her serious demeanor, Shizuku's character develops throughout the series as she interacts with Haruka Yoshida, a classmate with a carefree attitude. Their relationship challenges her views on friendship and love, leading to personal growth and a deeper understanding of herself and others.