>>53095961Different versions.
Netori = basic cheating, girls with a guy, finds a better guy, usually told with the girl as the MC, usually has a good reason to leave the guy
Netorare = unwilling cuckoldry, girls with a guy, fucks another guy, the loser cries about it but sticks around usually, could be the boyfriend or the girlfriend as MC
Netorase = willing cuckoldry, guy wants his girl to fuck other guys for his pleasure, again, could be either as the MC