Matsuri Mizusawa is a main character in the yuri series Citrus
A former junior high school student. When she was younger, Yuzu used to babysit Matsuri. She initially serves as an antagonist at first, but later becomes a supporting character in the series. She is currently enrolled in Aihara Academy. A very smart girl for her age. Despite her mischievous behavior she is capable of being kind and caring to a degree, Though she quickly denies this when people noticed this side of her. Her birthday is on March 9.
- One of her quotes: "I have no intention to interrupt them. And I just want to be their cupid. However, I'm sure it's fine to eavesdrop quietly."
- It is explained how lonely Matsuri was feeling, and how the idea of losing her "older sister" Yuzu to Mei simply scared her, which led her to acting so wrong.
- She shared a kiss with Mei.