お兄ちゃんのことなんかぜんぜん好きじゃないんだからねっ!! 第13話 妹より愛をこめて兄の『性態観察記』
I Don't Like You at All, Big Brother!! Special
SPECIAL PG-13 HD Sub 1
Nao looks over her 'Big Brother's Perverted Habits Diary,' looking over Shusuke's misfortune with seeking out various porn. (Source: Wikipedia)