Responses
Maybe you should add more details but this one has the same thing : https://www.mangago.zone/read-manga/this_witch_of_mine/
Light and shadow
pretty similar to this witch of mine
the husband died and the wife became a demon lord and kill all the ppl who caused her husband to die. husband got reincarnated and became a hero afterwards, HELP ME WHAT'S THE TITLE T^T