SORA-475 "Circumference × Radius × Girl" formula to solve for the Reiwa-era Kaguya-hime who, due to debt, has no home and must live in a drum can. Yura Kana

A fact too sad to recognize reality... Every time he moves from place to place, his family relationship becomes cracked, and he gradually loses his voice. And this time I moved to a secluded mountain. She hoped that her family would get back together on this occasion, but her wishes were in vain and her parents disappeared from her sight at the same time. She didn't know her parents were gone, and what she was left with was a huge debt. Every day she lives in a drum can. A 143 cm tall girl is seldom poked by her debt collector with a thick, lustrous meat stick.