Sob with a smile! ! ! Mio Shinozaki, a minimum class loli angel who doesn't know the dirt, descends to the notorious deep throat torture work "Smiling Mouth Toilet" that makes you smile at any time. The expression of a beautiful girl with a lovely smile, and every time the undeveloped back of her throat is poked by a meat stick, a tragic feeling drifts and painfully large tears run down her cheeks. However, even if such an inhuman act is done, they are ordered to "smile with a smile!" A beautiful girl screaming from the bottom of her chest. And Mio, who has reached the end of humanity, will be reduced to a "smiling mouth urinal" that makes her smile even when her throat is deeply penetrated by her penis.
