Our hopeless MC confesses to the toughest girl at school and gets shot down immediately. But she says she'll give him a chance... if he passes her crash-course on treating her like a human being! (Source: Irodori Comics)

Yankee Musume to Otomodachi kara Hajimete Mita is a web manga released on Jump Rookie and the author's Twitter and pixiv accounts since October 5, 2018, and published in print by Kadokawa since January 27, 2022. The series has been published as doujinshi since December 30, 2018, when the first volume was released at Comic Market 95. The doujinshi series has been published digitally in English as I Became Friends With A Delinquent Girl by Irodori Comics since January 17, 2021.