Sweat-soaked uniforms clinging to their bodies, broad shoulders, and muscular arms—three towering basketball players, each standing well over 190 centimeters tall, dominate the court with their imposing presence. Having admired these handsome seniors for so long, a young woman eagerly joins the basketball team as its manager. Although she has only held the position for three months, she works tirelessly, staying late every day to help the players in any way she can. All she ever wanted was to be useful to the seniors she looked up to. But one evening, her ordinary routine takes an unexpected turn when one of them makes a surprising suggestion: "It's our turn to return the favor tonight."