This manga us weird. I am team yawhi but yawhi now is toxic. But in his defense, he also needs someone and he has liked jooin for more than 2 decades. He confuses it as he hasn't received love for a long time +his grandfather's teaching. Cain is really sweet and supportive but he is a pushover and I think good at using people. While he might love jooin, he will end up hurt a lot more because of jooin and his love for yawhi. Jooin is bad at speaking for himself and takes abuse and let's people use him. Both of them aren't really good ships. And cainyawhi is a delusional ship, they hate each other ffs. Best would be for the 3 of them to go their separate ways. I'd prefer Cain going back to England, yawhi and jooin taking some time off and working on themselves and then start a relationship