Sayaka Kotegawa
古手川紗耶華
Profile
| Gender | Female |
She is Chisa and Nanaka's mother and the manager of Dophin diving pad at Palau, where Chisa, Iori, Kouhei and Aina work part-time during summer break. Sayaka is a serious and straightforward person, who doesn't talk beyond what is necessary and acts cold towards Chisa.
