In a small, traditional Japanese home, a young couple, both barely legal and innocent, find themselves in a compromising position. The boy, nervous but excited, can't help but stare at his girlfriend's perfect, round ass. She catches him, blushes, then teasingly pulls down her panties, exposing her virgin flesh. He reaches out, touching her soft skin, then tentatively explores her ass crack. She gasps as he grazes her tight little hole, encouraging him to continue. They fall onto the futon, their bodies entwined, their innocence lost to the taboo pleasures they've discovered.