After being dumped by his girlfriend and left heartbroken, Daisuke decides to confide in his long-hidden crush—his kind and warm-hearted aunt, Shiho. Close in age to him and having always treated him like a younger brother, Shiho immediately notices his sadness. Wanting nothing more than to heal his wounded heart, she sincerely comforts and consoles him with tenderness and care. The deep emotional bond between them begins to stir something new, hinting at the awakening of forbidden feelings.