Yahata Umiri

is a first-year student at Hanasakigawa Girls' High School.

Appearance
Umiri has shoulder-length black hair that slightly spikes up at the ends, along with a straight-cut fringe that goes slightly to the left. She has angular, turquoise eyes and upturned eyebrows.

Profile
Umiri is one of Taki's classmates. She is somewhat playful and often talks to Taki and buys her snacks or drinks when she thinks Taki is feeling down. Umiri is an exceptionally proficient bassist who has played as a support artist for over 30 different bands, and she sometimes plays for multiple bands on the same day.

Etymology
Yahata (八幡): Ya (八) means "eight" and Hata (幡) means "banner".

Umiri (海鈴): Umi (海) means "sea" and Ri (鈴) means "bell".