In light of the comment about Tobirama being obsessed with Izuna—imagine Alpha Tobi doing everything he can to bitch Alpha Izuna into his perfect omega. Ambushing him, pinning him down and forcing his knot in, maybe using some seals to assist. And Izuna is so humiliated at the changes in his body, but knows that only Tobi can satisfy him now. ——— ALPHA X ALPHA FUCKING SAVE MEEEEEEEEE HOLY FUCK