Read I See Your Money hentai manga on hentaidexy.
summary for I See Your Money :
To Sungchoon, seeing how much assets a person has and will have in the future comes in handy when dealing with all kinds of situations. He then meets Jihyang, a daughter of a conglomerate owner and approaches her, hoping to change his fate of having to live paycheck to paycheck. Little does he realize that Jihyang also shares this ability.