Isekai Furin ll ~Michibika Reshi Hitodzuma Tachi to Bukiyo Tensei Yuusha~ - Vol. 2 Ch. 15 - The Wives Oath

[MangaDex]

 

[dementati]

I don't think you have to be jealous of her husband, bro.

 

[OrcaSir]

Soo how does this end

 

[hmmmmname]

He probably marries all of them (or keeps banging them behind their husbands back).
Either is a win.