Based on the webcomic My Broken Mariko by Waka Hirako. Tomoyo Shiino (Mei Nagano) is an office worker who learns one day that her friend Mariko Ikagawa (Nao) killed herself. They graduated from the same high school and Tomoyo knows that Mariko had been abused by her father. To save Marikos soul Tomoyo steals her remains and goes on a trip to put Mariko to rest.