I didn’t get that at all. I think I need a plot summary
So seme was adopted by a noble family but once they had their own child (uke) they abandoned and abused the seme. Then seme fell in love with the uke because he was kind to him. I don't know if their relationship is consensual or is it just some twisted groomed incest (their whole relationship is confusing) but we can see that uke is gonna get married. Seme then killed both their parents and masked it as robbery but uke found out. Uke hates the seme so he decided to make him suffer by fucking other men. Seme got angry and locked him up for 5 years before getting married to the old fiancé of the uke. Uke managed to escape and runaway but idk what's gotten into him but he came back to seme at the end lol
I'm not sure if I understand it correctly. So the uke runaway in Winter when the gate was unlocked (I'm thinking the wife probably did it). But then he came back in Spring. Yeah, the ending will be better if they both leave and left the wife alone or the uke successfully runaway and found new happiness.