Chiaki Hagino is a main character in the series Hinako Note.The landlord of Hitotose Manor, where Hinako Sakuragi lives. Mayuki's classmate and a former member of the Fujimiya High School theatrical club. She's usually quiet but completely changes when she gets on the stage.
- She receives a lot of Valentine Chocolates from her fan girls.
- Helped Hinako to change her clothes, and made her shy in the process.
- Complimented Hinako's bunny outfit while blushing, saying that it's cute.