Set against the backdrop of a swimming team's intensive training camp ahead of the national high school tournament, this work kicks off with the shocking premise of the protagonist's girlfriend, the only female selected, sharing a room with the promiscuous captain. After watching it myself, I found the process of her initial resistance giving way to pleasure from aphrodisiacs and a large member, gradually changing her heart, to be masterfully depicted. The emotional shifts are particularly outstanding, from resistance to ecstasy, and finally to showing affection for the captain, with stable acting that draws you in. Though the plot involves an easy fall, the lack of forced elements allows for natural emotional engagement, making it a highly polished NTR work. Haruru's performance shines, making this one of her most memorable pieces. The ending's blend of despair and pleasure, while frustrating, evokes an involuntary erection with its quality.