Yin to my yang

Regressed so hard he lost a wife (now ex-wife) and gained a male wife.

Male yandere tag applies to both of them.

Don’t be scared of the amount of female characters. It’s not a harem. If anything, the ladies have more chemistry with other ladies.

The chemistry between them is even regularly called out by other characters.

Blackmail + charm stats maxed out = stockholm syndrome.

Yeah, well, OP magician saving his beloved protagonist. That should speak for itself.

♪ Kiss, kiss, fall in love. ♪

Probably the most subtle bromance out of all the ones here, but (for the people who reached this list) you should know of LeoKlein if you have read lotm right?