The Isekai Convenient Store!

Yozora Asa is an ordinary teenager who inherited a small convenience store from his grandparents and stumbled upon a beggar on the street where he bartered some items in exchange for some of his money, Yozora, despite knowing that the beggar's bartered items were hoaxes, nevertheless gave the beggar some of his money out of compassion, unknowingly, Yozora just made a deal with a person from a far-away galaxy where he was given a bracelet with an ability to cross between places or worlds where the device saved its coordinates, a custom shop system, and other features, as well as a bottle of evolution serum which he mistook for an energy drink, what will Yozora do with his new found ability? Will he use his new powers to be a hero? Go on an adventure and fight the demon king!? Or perhaps revive his family's dying inheritance in another world? This is a convenience store story in another world!