Ship/Character: Iwaoi, KageHina, BokuAka, KuroKen, TsukkiYama, Daisuga, KyouHaba, MatsuHana, AsaNoya, Saeko/Akiteru, KagaKuro, KiKasa, AkaMido, KiyoHyu, NijiHai, AoMomo, MuraHimu, KakeOuji, Nico/Yuri, both twins/Hana, Musa/Shindo, RinHaru, MiyuSawa, Kuramochi/Ryosuke, ShibaKimi, TodoMaki, FukuAra, T2, Yuri Katsuki/Viktor, Yuri Pisetsky/Minami Kenjiro, AbeMiha, Hanai/Tajima
Fandom: All Out!, Free!, Kuroko no Basuke, Haikyu!!, Kaze ga tsuyoku Fuite iru, Daiya no Ace, Days, Yowamushi Pedal, Yuri on Ice, Ookiku Furikabutte
Major Tags: None
Additional Tags: a/b/o, could also mix it up with some shifting or soulmate
Do Not Wants: major character death or something too sad but some angst with happy ending is good

Prompt:

Omegaverse AU