The Longevity Shop Across Ten Thousand Worlds

You'd never know that this unassuming little grocery store was home to a mysterious owner: peerlessly handsome, exceptionally powerful, and nearly perfect from every angle. He could transmigrate across the Myriad Worlds, befriend the Chosen Ones of Destiny, and bring joy to everyone without ever forgetting his original aspirations. His ambition was to become a man who traded across the heavens. What he probably enjoyed most was simply lounging in the shopkeeper's chair, munching on a huge steamed bun bought from next door...