SORA-475 - Solve for the solution of the modern Kaguya Princess, a girl who, using the formula 'pi times radius times girl,' becomes homeless due to debt and is forced to live in a drum can. Yura Kana.

A fact too sad to recognize as reality. Every time they moved to a different place, the family relationships cracked and their words gradually decreased. And this time, they moved to a remote mountain area. Hoping that this would be an opportunity to restore family ties, but that wish was in vain, and both parents disappeared before her at the same time. She didn't know her parents were gone, and all that remained for her was a huge debt. She lives her days inside a drum can. A 143cm girl is severely pierced with a black, thick meat stick by debt collectors, resulting in live insemination seed ring●.