Kaoru Mutou

Kaoru Mutou is the older sister of the story's heroine, Yayoi. She embodies an unbridled, free-wheeling spirit and holds an unwavering passion for alcohol. While she typically presents herself as a carefree, somewhat troublesome slacker, glimpses of her mature charm and captivating allure occasionally surface beneath that easygoing exterior. She serves as a supporting character who effortlessly shifts between a languid lifestyle and genuine sensibility.