Here's just some Iwaoi-fluff so We can Get off with a good start. But I don't know If i can even relate it towards it. It's just That I've heard Oikawa has this sort of Pain-kink, as well as Iwaizumi craves dominance. Interesting, hm? Oh and I also have the solution to Why The author of this manga/Anime chose Tofu as Iwaizumi's favourite food.
Bulletproof painkink
Solution found
Seeks his dominance
