Restrict Sister-like Beautiful Girl "Niiyama Airi" at the height of popularity, and be humiliating, and pollute it now! ！The beginning is Outdoors in joyride Tied Up this time lightly; to tobikko wearing. The Tied Up menu which gradually escalates…Let twist a body not to get the motion with tears eyes, and serious Airi to live, and to do is unbearable; iyarashii! ！
