A pure and innocent schoolgirl falls prey to a pervert's clutches on her way home from school... Shion is lured into the house of an old man from her neighborhood. Without suspicion, she eats the tea and sweets offered to her... Before she knows it, she is bound tightly all over, unable to move. Her freedom taken away, she is played with at the whim of a middle-aged man. Even impregnated... She gradually sinks into a world of pleasure.
