An erotic battle unfolds in the water! ■ Water Hat Battle: The classic red vs. white hat showdown begins! Both girls, dressed in gym uniforms, straddle a vinyl raft, splashing water and reaching out to snatch the opponent's hat, gradually intensifying the fight. The gripping struggle as each tries to grab and pull off the other's hat is the highlight! ■ Underwater Swimwear Stripping Battle: Victory goes to the one who completely strips the opponent's swimsuit! As the stripping intensifies, primal instincts explode—giant swings violently whirl the opponent around, leading to fierce and erotic developments! ■ Underwater Erotic Fight: A fully nude underwater erotic fight! To make the opponent climax first, they unleash various erotic techniques like shell-clamping and genital caressing. In the end, overwhelmed and unable to resist, the loser climaxes and sinks helplessly into the water! (Marvelous)