Prompt
Pairing: Saitama/Amai Mask
Prompt: (omegaverse and very rare pairing with Amai as bottom which is very rare too) Amai is a famous celebrity who always uses heat suppressant because he is hiding the fact that he is actually an omega until now. But one day he unexpectedly goes into heat at which time he is shooting scenes for his upcoming tv series (apparently his hater/rival hero may have secretly swapped his medication). Therefore along with his beta manager, they desperately try to hide Amai’s heat during film shooting. The situation worsens when suddenly some strong demon-level monsters appear to disrupt the course of shooting and he is the only hero who is present. Amai is trying to annihilate them desperately as the heat began to overwhelm him when another hero (Saitama) arrives and destroys all of them. Saitama who is an alpha immediately realized that Amai is in heat. Amai then returns home with his manager and Saitama is stalking them. In the end when they are alone, Saitama helps Amai through his heat by fucking him hard (for entire heat/you may skip this). Even more hilarious if you decide that Saitama accidentally impregnates him. This may be very long one-shot or possibly multi-chapters too because there are many conflicts that could be developed (though it’s up to you).
Warning: nsfw, make it rough and possible dub-con at beginning then consensual in the end.