A female student falls in love with her male classmate's mother.

JK to Tomodachi no Okan, originally released under the title JK-chan to Dansei Doukyuusei no Okan (JKちゃんと男性同級生のおかん), is a web manga released on the author's Twitter and pixiv accounts from August 30, 2020 to February 21, 2021, and published in print by Kadokawa on February 26, 2021.