A Goddess' Wish (Dropped)

An old man by the name of Kai finds out that his wife he's been with since they were teenagers is actually a goddess, Sarlyn, who wanted to find a cure for her boredom, only to actually fall in love with him. She gives him the option of reincarnating and getting strong enough to join her for the rest of eternity. 1st world: That Time I got Reincarnated as a Slime. (Current) 2nd world: Yggdrasil/Overlord 3rd world: Highschool DxD I DO NOT OWN ANY OF THESE WORLDS NOR ANY OF THE CHARACTERS IN THEM BESIDES THE ONES MARKED AS OCs SUCH AS THE MC AND SARLYN.