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…??! Alt name(s): 生意気なギャル姉を解らせる話 ; Kusobitch na Gal Ane wo Wakaraseru Hanashi ; Kusobicchi na Gyaru Ane o Wakaraseru Hanashi ; Kusobicchi na Gyaru Ane wo Wakaraseru Hanashi ; Namaiki na Gal Ane o Wakaraseru Hanashi ; Namaiki na Gal Ane wo Wakaraseru Hanashi ; Namaiki na Gyaru Ane o Wakaraseru Hanashi ; Namaiki na Gyaru Ane wo Wakaraseru Hanashi ; Kusobitch na Gal Ane o Wakaraseru Hanashi ; The Story of Making My Cheeky Gal Sister Understand ; The Story of Making My Cheeky Gyaru Sister Understand