Wait can they really have a baby?? If I'm not wrong this is not omegaverse so it is really possible for them to have a baby??
it says near the begining because they are titan and "dwarf" even if both are male it is possible to have a baby ╮(￣▽￣)╭
Just remember that mpreg isn't exclusive to the Omegaverse. After all, if there are no Alphas, Betas, or Omegas then it's not the Omegaverse. :)
I know that but kouchi is not dwarf he is a human
I'm just going to think that maybe he wanted to go back to his world is because he wanted to properly say goodbye to his bestfriend and his relatives like "Hey dude, supp? Just wanna say thank you and goodbye then *poof* return to caius' world. Live with him, be his queen and have babies. *sniffs* *wipe some tears*