A Flood of Noise Complaints Involving a 26-Year Old Unpopular Female Introvert Living Next Door.

This is the story of a brother who's very concerned for his older sister who's turned into a Gyaru and rebels against him, because of that he's chosen to make her "understand" in his own way.

**Note:** - Chapter 3 (Pixiv) has a bubble-less variation

A sweet young lady transfers to a highly notorious high school for delinquents!? In pursuit of her ideal delinquent, the young lady, who aims to be at the top, beats up the scums one after the other in this fresh and exhilarating action story!

**Link:** - Alternate Official Raw - [Pixiv](https://www.pixiv.net/en/artworks/108679835) (Has bubble-less variations)

This is the story of a brother who's very concerned for his older sister who's turned into a Gyaru and rebels against him, because of that he's chosen to make her "understand" in his own way.

Every time she opens her mouth, it's nothing but abusive language, and her problematic behavior never stops. The protagonist has had enough and sets a “plan” into motion…??!

This is a separate entry for the 18+ content on Fanbox.