Two Worlds: Struggle and Comfort

Double-crossing +(Fantasy, Urban) + Feel-good novel,no suffering for the protagonist, everything is smooth sailing to the end.
The protagonist gains a devouring space, allowing
him to profit and gain immortality by trading between
the urban and fantasy worlds.
In the fantasy world, the devouring space can
consume the bodies and memories of cultivators,
feeding back to the protagonist. While others cultivate for two hundred years, the protagonist achieves more in a month.
Omnipotent, omniscient,
In the urban world, a bottle of modern white liquor is
exchanged for a courtesan.
Fantasy world ginseng and golden nanmu, which no
one wants, are plentiful and worthless - this is why I'm
bound to get rich.
In order to better utilize resources, the protagonist
seeks to control the underground world of Southeast
Asia.