Painfully continued on another site

Rei, a magician summoned to another world, sets out on a journey to defeat the demon king, but he is unable to adapt to the new world and suffers from loneliness. The only person who stays by his side is the silent and cool hero Albert. Albert tells Rei that he is fine just the way he is, and Rei begins to have feelings for him. Just as they slowly get closer, a certain crisis strikes the two of them.

I'm Geni, next in line to become the god of love!! Due to unforeseen circumstances, I have to wander different worlds and dimensions to find fragments of my lover's scattered soul. In this world, I have to live my life as a crazy person. How in the hell am I going to get the attention of my lover, a duke, who is obsessed with the second prince whose body I used the first time I entered this world?"