Maou wo Taoshita Ore ni Matteita no wa, Sewazuki na Yome to no Ichaicha Renkin Seikatsu Datta.

My supernatural power, my wife's alchemy, and lovey-dovey love, it's a sweet and blushing life together! I'm not sure what to make of it. "I'll take your hand then!" This is the best sweet alchemy life of a Hero and an alchemist! Source: MU