Erina is a 40-year-old single woman who has worked hard in both love and her career. One day, she receives a call from her mother with an unusual tone, only to learn that she has stage 4 colon cancer. Furthermore, she hears that her single friend from college, Tani, is getting married...
(Source: Natalie, translated)
— Description from AniList community (anilist.co).
