I don't want to help someone cheat, I don't want to be disloyal to Ian, and I don't think it is wise to be with someone that has demonstrated they are willing to cheat.
1) your character is
a person who has sex in front of an audience in an illegal brothel for money -
but you don't want to be disloyal to Ian
2) Ian is a
serial cheater, who disrespected his girlfriend over and over and over;
3) Mina is NOT cheating on Ian - she's about to dump him, and she will do it in a a few days (I don't remember when it exactly happens right now)
anyway; and you see Ian having sex with quite a few women (Carnations, Club girls, his maid, the hairdresser)
before and after Mina dumps him;
4) the game makes you choose between being best buddies and being an asshole with Ian;
5) are you aware that this is an erotic novel? your aim is to get laid.
Hana? your argument makes no sense.
Their agreement is: he is allowed
only in the club and because of job obligations. If Edwin breaks this rule, a game variable adds cheating points: so it's only up to
you only if you cheat on Hana while she is your girlfriend.