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The Day I Decided to Make My Cheeky Gyaru Sister Understand in My Own Way

Namaiki na Gal Ane wo Ore no Houhou de Wakaraseru Koto ni Shita Hi
生意気なギャル姉を俺の方法で解らせることにした日
El día que decidí desentrañar a mi descarada hermana gal a mi manera
Hari dimana kuputuskan untuk kasih paham mbakku yang kampret dengan caraku sendiri
Ngày tôi quyết định dạy dỗ lại bà chị gyaru hư hỏng theo cách của mình
O dia em que decidi fazer minha irmã atrevida entender do meu jeito

Alternative

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She’s a big sister with an attitude, and every time she opens her mouth, it’s all just insults and negativity! However, her little brother has had enough, and he’s got a plan to turn her into the cute, honest sister he knows she can be! To make it work, he’ll first have to take her down a peg or two… 

(Source: Yen Press)