I Have a Shop with Me Wherever I Go

One day, a mysterious young man claiming to be from the Wish Management Bureau appeared before An Yu. An Yu: "?" Young man: "I've come to grant the wish you made thirteen years ago." Thirteen years ago, An Yu was a chuunibyou girl obsessed with all kinds of Mary Sue novels and comics, so... "Your wish at the time was..." "Aaaaaah, please don't say it!!!" An Yu cried, clutching her head. This was just too embarrassing! And so An Yu was forced to embark on a journey to make her dreams come true and become a winner in life. An Yu: "...Please spare me!" QAQ PS: This story is very satisfying, with plenty of overpowered abilities. Proceed with caution if that's not your thing. PPS: This story is pure wish fulfillment. If anything seems familiar... well, that's impossible, right? Ahem, if you don't like it, please click the little X in the upper right to escape. Thanks for your cooperation. PPPS: This is a one-on-one romance. The author is a pure-hearted sort and can't write multiple partners, so please spare me.