In the quiet confines of his office, Professor Hiraoka, a renowned researcher, finds himself in a compromising position. His young, eager male assistant, Yuto, has been covertly observing the older man's late-night activities, fueled by curiosity and an unspoken desire. One evening, Yuto confronts his mentor, demanding to be initiated into the world of 'reverse' Hiraoka, initially taken aback, succumbs to Yuto's persistence, guiding the inexperienced youth through the intricate dance of power and pleasure.