I can travel to Worlds with a Affection System?

Our MC was reincarnated in the Harry Potter world when he died when the parachute had a malfunction mid-air and he fell to his death. But with this turn of events, he reincarnated as a orphan in the world of Harry Potter and was adopted by a elderly pair of Wizards with a system and a OP starting package. Need Points to Buy items from the system shop? Gain Affection Points! Gained ????? Affection points for getting the complete Affection of Herimone! Gained ????? Affection points for getting the complete Affection of Ginny! (Points increase with Affection or positive emotions. And for the people who worry that I will objectify the Harem members, don't worry. I will try my utmost to make sure they are not just things to gain, so to speak.) Follow our MC to different Universes, Such as DC, Marvel, Greek Mythology, and more! (Not necessarily in that order.)