When her parents go abroad, female high school student Mitsuki Takahashi has to temporarily live in the small apartment of her uncle Naofumi Iwatani.
She soon discovered that this uncle was not only a strange man who mysteriously disappeared and suddenly returned last year, but also a super straight man who could use magic but had zero emotional intelligence!
Through the memory crystal that their uncle brought back from another world, the two began to review his "magnificent" adventure career——
How to use the principles of economics to make your first pot of gold, how to use the laws of physics to analyze magic, how to use precise straight man speech to stun three beautiful girl teammates from another world...
