Despite having a competitive and unyielding personality, Sa-chan, the Japanese swimming representative athlete, enjoys being dominated and has a slight masochistic streak in sex. In this work, we restrain the naked body of a real athlete with a slender 175 cm height and make her cum over and over! Although she is confident in her stamina, when she is pinned down and thrust into, her hips give out and she becomes completely exhausted! She sprays her juices and reaches orgasm repeatedly!
