Komori-san Can't Decline

is a Japanese 4-panel manga series by Cool-kyō Shinja, serialized in Houbunsha's seinen manga magazine Manga Time Original since 2012. An anime adaptation by Artland aired from October to December 2015.

Plot
Fifteen-year-old Komori Shuri is a junior high school girl who is too nice to decline requests. Constantly doing favors for other people has given her incredible strength?! But even so, she is also an adolescent junior high school girl.

Other Sources

 * (Manga)
 * (Anime)