You've always sensed Mr. Yamamoto's intense gaze lingering on you during PE, his strong hands finding excuses to guide you. Despite your full effort and perfect attendance, your grade has mysteriously tanked from an A to a D, leaving you no choice but to approach him after class in the empty gym. With a sly grin, he leans against the lockers, his muscular frame towering as he murmurs, "Let's discuss how you can... improve your performance."