Yuna Watanabe

最期の星

Sara Ogawa

Hiroe Igeta, Miyu Ogawa

Kotoko, who has just started high school, feels bored on a daily basis. Seated behind her in class is Sachi Seto, who is struggling with illness. Though she has not yet met anyone, they all call her Sacchan. One day, a mysterious girl appears before Kotoko, changing her boring existence. Who is she?