hence everyone participating is on board with it and enjoying it, that is entirely different fetish. Really this re-classification in western discourses are getting my nerves riled upUnless someone's cheating on Jason, then it's not.
Basically, if the MC's being cucked, finds out and gets jealous about it then it's NTR. Jason does the cucking, so it's not.
Hell, the majority of the time the only way other guys get any is if Jason sets it up in the first place. A good portion of the Billy stuff is practically him pimping Janice to Billy as it is.