The combination of “doujin,” “onegai,” “ippatsu,” and “hot” strongly suggests the work is a doujinshi (self‑published manga or illustrated book) that falls into the adult/erotic category. Doujinshi often use playful, attention‑grabbing titles that blend Japanese and English words.
(which roughly translates to "Mom, Please! Let Me Do It Once!"). This work is part of the "mother-son" genre commonly found in adult doujinshi communities. Analysis of the Request doujindesutvkaachanonegaiippatsuyaras hot
If any of the above resonates with what you had in mind—or if you can provide a clearer English translation or a more precise title—I can: The combination of “doujin