Where the main character and one of the lead/major characters of the story interact with each other, athough they having differing position in society. and is a prevailing theme in the story.
 E.g rich and poor, or loner and popular
Office worker Leon is reincarnated into a particularly punishing dating sim video game, where women reign supreme and only beautiful men have a seat at the table. But Leon has a secret weapon: he remembers everything from his past life, which includes a complete playthrough of the very game in which he is now trapped. Watch Leon spark a revolution to change this new world in order to fulfill his ultimate desire…of living a quiet, easy life in the countryside!