Wait why isn’t the ending happy? Doesn’t he get his whole kingdom back? Does...

hos parents will be fine. It is an open ending with both of them ruling each other's kigdoms

kingdoms*

SPOILER FROM COMMENT SECTION/I read myself too though and it’s pretty accurate
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So turns out ukes brother who became emperor after he died was literally fucking obsessy vanessy and starting fucking and killing guys that looked like him until he found one that looked TOO much like him. Then that guy became a personal knight who is literally spit at because everyone knows he’s a kept pet. Strauss emperor is a piece of shit who abuses and rapes the poor guy who in turn HATES the uke because of what he’s had to suffer. Older brother also has chronic migraines that are debilitating but won’t get help. Ukes brother is after ukes ass hardcore trying to bring him back home and seme is like nooooo. No. Ukes brother kills his own son to frame the uke as well which upsets the semes son the crown prince because they were friends (they end going to school together but CP knows it wasnt the uke.) Long story short there’s a tug of war where uke is fucking naive believing his brother could do no wrong and this lands him in a trap his brother sets and the seme has to rescue him. He then proceeds to let the seme get mortally wounded to save his brothers life AS THE SEME IS SAVING THE UKE FROM THE BROTHER because he didn’t want the brother to die. Fast forward and the seme locks the uke up because he doesn’t want him going back to Strauss when the uke can’t even admit he has feelings for the seme even though his internal monologue is very much “I love the seme” and then the seme is like “you know what, fuck this, go. You clearly want to go and never listen to me, I won’t keep you from your happiness because I love you so go.” Uke is freaking the fuck out because he’s like “I kind of wanted you to keep me here but okay I’ll go back to Strauss.” Fast forward again, he kills off all his remaining family to become emperor and gets his old body back (grows up) and his delulu older brother is like heavy breathing on his neck the entire time until he passes away from an illness that he was aware he had that was causing the migraines. Uke gets an empress (because he needs an heir) while having secret affairs with the seme once a blue moon. Uke asks seme to be his consort and seme says “maybe when I can hand my kingdom over to my son I’ll consider it.” Lots of yearning and barely any time together as uke rebuilds his kingdom and legacy in Strauss.