Dive into a passionate tale where childhood friends Nagisa and Azuma navigate jealousy and desire. As Azuma starts his first love, Nagisa secretly offers intimate, seductive 'training' to help him overcome premature ejaculation. Between playful teasing and deepening tension, their hidden feelings unfold in an intoxicating blend of love, lust, and confession. Airi Nagisa shines in this raw and sensual journey.