Аканэ Инуи

Сэйсю Инуи's kind, bright elder sister. She often spent time with her brother and his friends. She enjoys visiting the library. She barely survived a house fire but suffered serious injuries, the treatment for which required a large sum of money. Hajime Kokonoe, who is in love with her and promised to protect her until the end, became obsessed with the idea of earning money for her treatment, but didn't make it in time.