FapEmperor
Just my 2c, but I think it's fine if you stick with the Isekai Harem Monogatari world without forcefully trying to make this a world traveler fic. These collect-them-all harems inevitably lose steam quickly when the only character worth remembering is the protagonist. Also, the cheat is simply too powerful to the point it's gonna get boring quickly. I don't expect much fighting, but facerolls are only interesting in a comedy like OPM.