Dekakute Ecchi na Ore no Ane
English title: My Big and Horny Sisters
Japanese title: デカくてエッチな俺の姉
Type: OVA
Episodes: 1
Source: Visual novel
Genres: Hentai
Studios: T-Rex
Producers: Lune-Pictures
Duration: 28 min
Rating: Rx - Hentai

Based on the adult PC game by Marine (brand of Marigold).