An OVA episode based on the manga collection Shiiba-san no Ura no Kao by Yuzuki N. He’s a great drawer, and his other work Ane Koi was recently adapted by Pashmina. The OVA to be made by Pink Pineapple is called Shiiba-san no Ura no Kao with Imouto Lip (Shiba’s Other Face and Sis’ Lips). In the original it is two sex stories of several chapters each. In the first one, the schoolgirl is being pulled by her father, in the second one, the younger sister discovers her brother’s porn and only manages to watch a blowjob before she is spotted, but there was no stopping her. Even in the bathroom her brother didn’t hide – she came and sucked him off.