My Girlfriend's Naughty Sister

All I wanted was to feel my girlfriend's body, but her big sister forbids it. When I decide to sneak over one evening, it's not my girlfriend who is waiting... (Source: Coolmic) Note: Simultaneously released in long-strip and traditional formats, with 27 chapters and 9 episodes respectively.

Also known as

Numarase Onee-san: Kanojo to Dekinai koto, Zenbu · 沼らせお姉さん～カノジョとできない事、ぜんぶ～

Format

MANGA · 27 chapters

Status

Finished

Genres

Drama, Ecchi, Romance