|Gallery | Relationship | Quotes|
|Light Novel | Anime|
|Japanese voice||Nozomi Yamamoto|
Misono is a teenage girl with short pretty lilac-colored hair and brown eyes.
Most of the time, Misono is expressionless who seems to have a cool attitude. Although she avoided attending her classes because she thinks that the teachers train her only for their own benefit.
At first, Misono thought everyone at the school were just around due to her reputation and as a result did not socialize with others. After joining the library club, her views of friendship changed and she even formed a bond with fellow member Kana Suzuki. Her time in the library club had a great impact on her as she was seen smiling more and developed a humorous side. Misono's time in the Library club allowed her to move past her sad childhood and give up her singing career and live a normal school life with her new friends.
From a young age Misono's singing abilities are already outstanding, it was shown that she always hang out with Miyu Serizawa when they were still young. Her friendship with Miyu came to an end when she didn't give it her all on a competition but still managed to win regardless. From that point on, Misono earned the title of Song Princess and became well known but as a result was by herself.
Misono later became a member of the Happy Project in her school's library club where she became close friends with Kana Suzuki. She also developed a crush on Kyōtarō Kakei who helped her get over her past and encouraged her to make her own decision which led to her giving up singing and being the happiest she ever felt.
- The name Senri means "thousand" (千) (sen) and "white jasmine" (莉) (ri).
- Senri's surname Misono means "honorable" (御) (mi) and "garden" (園) (sono).
- Misono has a great love for cats while she is very afraid of bugs.
- Misono is one of the three girls to have kissed Kyōtarō Kakei with the other girls being Nagi Kodachi and Tsugumi Shirasaki.
- Misono enjoys solving cross word puzzles, although she is not very good at them.
- Misono's singing is at a national level.
- In school, she specializes in vocal music.