Age: 13
Birthday: March 30
Zodiac Sign: Aries
Occupation: Middle school
Height: 163 cm

Is the younger sister of Masamune Makabe who currently attends middle school as a second year.

Unlike her brother, Chinatsu has light brown hair and brown eyes. She has a fringe that brushes past her brows and locks of hair that's usually tied up in a single braid.

She is also taller than her mother.

(Source: Masamune-kun no Revenge Wiki)