Doomsday: Transformed Into a Cute Girl, I Hugged the Protagonist's Thighs Tightly

[Gender change, remarriage, romance story. It's recommended to read from the male protagonist's perspective. The content is quite intense; please leave if you can't handle it.] He wakes up to find himself transported to a post-apocalyptic novel and transformed into the novel's effeminate character, Su Youyou. As a effeminate character, to survive this apocalyptic world, she must find a strong teammate. Faced with the eager gazes of those around her, Su Youyou reluctantly sells her body to cling to the protagonist's thigh.

Protagonist: Su Youyou