Reincarnation be like that
he is the same.. just that the events become different when one off them( the mle lead) know what can/ will happen if he does different things..
The emperor don't remember his past life but since the other guy does, the events change.
I know the emperor is the reincarnation because it's about the same events just different endings..
Also because he show how little he care about his life in front of the emperor from the beginning, the emperor know that hurting him will not change anything.
Yepヾ(❀╹◡╹)ﾉ~
but if the majesty is a different person, why uke is the same person as the previous one?