Chigusa Mitama (御魂 千草, Mitama Chigusa) is one of Manami Mitama's younger siblings.
Chigusa has light blonde hair she keeps in two braids. Her ears match her hair color and she also has brown eyes.
Manami is Chigusa's older sister.
Chiho is Chigusa's sister and part of the Chi-chans, the three are always together.
Chinami is Chigusa's sister and part of the Chi-chans, the three are always together.
Sue is Chigusa's younger sister.
- The name Chigusa means "thousand" (千) (chi) and "grass, herb, weed" (草) (gusa).
- Chigusa's surname Mitama means "soul".