Персонаж
Другие имена
Sister Kusano
Сестра Кусано
Appears in Rube Goldberg Machine and briefly in Tsuchinoko. She is Hiroki's older sister. She shows up out of the blue, reminiscing about Hiroki's interest in building Rube Goldberg machines. It is heavily implied that she passed away in a disaster at sea, along with her parents. She shows up wearing a bikini and talks about wanting to fulfill her most loved one's wishes.
