[Gender-Changing Cookie] [Multi-Purpose Tent] [Bamboo Dragonfly] [Adaptation Lamp] Lynn's four-dimensional garbage bag always manages to unearth many magical secret items, even if they're just a bunch of old stuff, they still bring help and joy. The helpful Lynn arrives at Privet Drive and encounters Harry Potter, who is struggling. To help him ease the strained relationship with his aunt and uncle, he gives Harry a magical cookie that completely changes his life. And when Lynn arrives at the magical Hogwarts School of Witchcraft and Wizardry, what changes will he bring to the magical world? Welcome to—Harry Potter and her best friend Lynn's Hogwarts daily life; Severus Snape's new life after shaving his greasy hair; Voldemort realizing he may have misjudged the object of his prophecy...

Vincent Wayne, who planned to revive the glory of his family, refused the admission letter to the thousand-year-old prestigious school Hogwarts when he first received it.

The vice-principal who can turn into a cat, the old bat professor with oily hair, the foul-mouthed blond classmates, and the elderly principal who loves knitting sweaters, it doesn't look like a serious school.

If he hadn't traveled through time, the magic world would have lost a wizard named Wayne forever.

(Keyword: Harry Potter)