Contrary to her unyielding personality, Saki-chan, a competitive swimming representative of Japan who likes to be blamed in SEX and is a little M-spirited. - In this work, the slender 175 cm tall naked body of a real athlete is fixed and restrained, and it is spree many times! - Although she has her own physical strength, when she is pistoned in a posture where she cannot move, her waist is crushed and she is herohero! - Scatter the tide and!