Oniichan no Koto nanka Zenzen Suki ja Nai n da kara ne!! Special
Japanese title: 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』
Type: Special
Episodes: 1
Source: Manga
Genres: Comedy, Romance, Ecchi
Studios: Zexcs
Duration: 23 min
Rating: PG-13 - Teens 13 or older

Nao looks over her 'Big Brother's Perverted Habits Diary,' looking over Shusuke's misfortune with seeking out various porn.

(Source: Wikipedia)