Its called My wife is from a thousand years ago. Not My enemy is from a thousand years agoI wasn't expecting him to survive
It's just a minor Easter egg... and yah, it's an ad... cause this is a business for the author...The crossower is a little heavy, like really?? They see them??!
They cut the story dedicating panels for an "ads"...
Hopefully after marriage.just bang already godDAMN