why's feed

Does anyone know mangas (manhuas, webtoons) where the MC ended up with/married themselves?
Like e.g. MC (male) died or else and 'reincarnated' as a woman. (Now female version of MC (former male) knows about him bla bla bla....and at the end the ended up together)
Or the other way around; MC was a woman, reincarnated as a man & the endgame are themselves.


ugghh I knew a couple of titles but forgot the put them in my list ┗( T﹏T )┛