Hajime Nakano is going to an all-boys school, yet he feels blushing and flustered around his classmates for some reason. Nakano wonders, "Am I attracted to both men and women?" But what he doesn't know is that all of his classmates are girls disguised as men... Not knowing this secret, Nakano begins high school! (Source: Kadokawa, translated)

Shishunki to Danshikou!? to Nakano-kun, originally released under the title Risky x Harem (リスキー×ハーレム) was a web manga released on the author's Twitter and pixiv accounts. The web manga has been published as doujinshi since May 5, 2016, when the first volume was released at COMITIA 116. Official serialization started in Bushiroad on October 8, 2020.