Anehame: Ore no Hatsukoi ga Jisshi na Wake ga Nai

Akira Sakagami was just about to confess his love to his pretty classmate Nana Shirayuki when his older sister Rio suddenly shows up at school to pick him up. During the ride home, she also makes fun of the incident. As if the day wasn’t already bad enough, Rio also catches her brother masturbating to a porn actress who looks a lot like Rio! Though, Rio wouldn’t have thought her little brother’s penis was so big … Drunk and in a good mood, she simply can’t resist helping him with his “problem”. After all, as a big sister, she can never be close enough to her little brother …! 

アネハメ 俺の初恋が実姉なわけがない, Anehame: Ore no Hatsukoi ga Jisshi na Wake ga Nai, 아네하메: 내 첫사랑이 친 누나일리 없어