Imouto to Sono Yuujin ga Ero Sugite Ore no Kokan ga Yabai – Episode 1

How to prevent your onii-chan from looking up other girls’ skirts:
1. Be tsundere as fuck to assert dominance
2. Have sex with onii-chan
3. Repeat step 2 all day everyday
4. ???
5. Profit
Alternate Names: 妹とその友人がエロすぎて俺の股間がヤバイ
Aired: 2016