GAJK-020: Un avi diabòlic que ensenya desesperació a una noia de camp que pretén ser un ídol. Un cos que es retorça en la dura realitat i el plaer d'entrenar que brolla Sengoku Monaka

A school girl who is trained in bondage training in a warehouse A devilish grandfather who teaches despair to a country girl who aims to be an idol. A body that writhes in the harsh reality and the pleasure of training that springs up Sengoku Monaka