Rokudou no Onna-tachi is a manga about a bullied high schooler whose life changes when a supernatural scroll makes delinquent girls fall for him. While navigating this, he grows stronger and seeks to help these girls find happiness. Chapter 27, part of the Onijima Alliance Arc, shows him continuing to face dangerous delinquents while beginning to learn martial arts to protect himself and others.
You can read the series and Chapter 27 through the Emaqi service , which offers the manga in English. Rokudou no Onna-tachi is a manga about a