Ane wa Mahou mo Tsukaenaikara, Boku ga Namami de Sekai wo Sukuu.

is a Japanese light novel series written by Sasayama Plus, with illustrations by ryuu.. The series began publication on March 9, 2018 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"I won't forgive my sister, a magical girl!"

A distorted love story between an unsuccessful sister and an overprotective younger brother.

From cooking to bathing and choosing underwear, the turning point comes to her younger brother, Ringo's older sister, Pear. When Ringo took his eyes off, he was tempted by a small animal (a cheeky hamster) and signed a contract to become a magical girl. ". Please, apple-kun magical girl, might want to do?"

"Oh shit, stop me" save the world "'d be as nothing to joke -."

Zhi only in respectable sister habit timid, looming monster There is no way that he can play a major role in defeating and saving the world. Then what should I do? In conclusion, the younger brother has no choice but to physically defeat the enemy on behalf of the older sister ....

This is a distorted love story of a poor sister and an overprotective younger brother.