Rena Aoi, a pure and innocent beautiful girl, is forced to smile and undergoes deep throat torture, saying, ``Always smile!'' - The beautiful girl's healthy smile gradually changed to an expression of agony, and she was dripping with rejection juices. - She is forced to bear it with a smile even on the verge of suffocation, and is repeatedly forced to endure it with a smile, repeatedly causing her pupils to dilate in agony. - Then, she reaches a critical point and turns into a ``smiling mouth toilet'' that smiles even when a cock is pushed deep into her throat.
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