แฟนหนุ่มของกูมีฝาแฝด กูจะทําอย่างไร?

Sebas's girlfriend is surprised to find out that her stepbrother is actually his twin stepbrother. This sparks a great curiosity in her regarding the sexual aspect:"What would it be like to have sex with pair?" she wonders. So she devises a plan to make that situation happen.