
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.
El día que decidí hacer entender a mi descarada hermana gal a mi manera / 生意気なギャル姉を俺の方法で解らせることにした日 / Namaiki na Gyaru Ane o Ore no Houhou de Wakaraseru Koto ni Shita Hi