The Multiverse Merchant

Ethan Sullivan inherits a grocery store, discovering a passage to myriad worlds. Deceived by Clara Shaw and burdened with debts, he trades rations for antiques and snacks for spirit pills across worlds. Roxanne Stone, an apocalyptic leader, and Celina Shelby, a warrior, confess feelings. His cross-world trade empire expands; Ethan subjugates enemies, slays a terrorist leader with a divine weapon, transforming into the richest man in all worlds.