Akari Kawamoto

Akari Kawamoto (川本 あかり Kawamoto Akari) is a resident of Sangatsu-chō. She is the eldest of the three sisters. After her father left and her mother died, she subsequently took care of her two younger sisters. She encounters Rei and takes him to her place being the first time she's brought a person back home. Finding Rei in a drunk state, Akari brings him into her home to recover, and it is at that point where Akari and the rest of her family are formally acquainted with Rei.