Sawaranu Futari wa Nani wo Suru

Toru Amemiya is a 25-year-old working in human resources at a stationery company and is deeply into anime and manga. She has developed feelings for Shuichiro Ren, a 35-year-old man she is believed to be the first real person she has ever loved. Hearing that Ren is about to change jobs, Toru decides to confess her feelings to him. However, the situation takes an unexpected turn when Ren's "life-threatening" secret is suddenly exposed. This leads to the start of a complicated, non-romantic relationship that is caught in a delicate balance between life and death.