I can already hear you now, "Rimiru Tempest, from 'That Time I Got Reincarnated as a Slime', is not a boy. They are the best genderless slime, get your facts correct." Yeah well....shut up.
Next, is one of the S ranked heroes in the 'One Punch Man' universe, Genos.
After that, is the smug smile of Yukihira Soma from Shokugeki no Soma.
Lastly, I am going to be honest, I haven't seen Haikyu. I just wanted a Indigo & Orange based theme. So here is Hinata Shoyo.
Changes
I'm trying to bring in a bit of inclusion.
4 New Dark Themes!
Screens
Rimiru
Genos
Soma
Shoyo