Bishoujo Elf (Ouso) ga Sukuu!

is a Japanese light novel series written by Osada Shin, with illustrations by Nyumu. The series began publication on January 8, 2022 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Aisia was angry. Her parent, the elf Lori Mama, who always spoils her, is going to get married. Aisia doesn't understand politics! But I understand the economy a little. There are not enough money and no special products. Isn't that bad? If this happens, I will make the land an economic power and destroy my mom's engagement! …… Yes, the previous life who was the director of the British Mint-using Isaac Newton's economic knowledge! Raise funds by biting it! Taxes are collected from the demons, and the economy is turned by public gambling! At first glance, Aisia's miracle, which was a virtuous merchant, dyed weak territories into a great power ...! Exhilarating [economy] unmatched fantasy opening!