Character
Natsumi Koshigaya
越谷夏海
Also known as: Nattsun
Biography
Show bio — may contain spoilers
A first-year middle school student and Komari's little sister. An airheaded tomboy who has bad grades.
Appears in
越谷夏海
Also known as: Nattsun
A first-year middle school student and Komari's little sister. An airheaded tomboy who has bad grades.