Nome original: 最期の星
Data de lançamento: 30 de janeiro de 2018
Filme
Tempo médio: 27 minutos
Gêneros:
Sinopse: 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?