My Broken Mariko (2022)

Tomoyo Shiino is an office lady. One day, she watches the news on TV and learns that her friend Mariko Ikagawa killed herself. They graduated from the same high school and Tomoyo knows that Mariko was abused by her father for a long time. To save her soul, Tomoyo steals her remains from Mariko's family. While recalling memories with Mariko, she goes on a trip with her remains.