Shizuku Tsukishima is a fictional character from the anime and manga series Kimi ni Todoke. She is known for her quiet and reserved personality, often appearing shy and introverted. Shizuku has a passion for reading and enjoys spending time in the library, where she feels most comfortable. In the series, Shizuku is a close friend of the main character, Sawako Kuronuma. Her character development showcases her growth in social interactions and friendships, highlighting themes of self-discovery and acceptance. Shizuku's journey reflects the importance of connection and understanding in overcoming personal challenges.