Ai Sayama stars in this intense drama where fate brings her face to face with a man she secretly loved in college—now reunited at the hospital where she's working as a nurse. Just as feelings begin to resurface, she discovers he's married with a family. Torn between guilt and desire, her emotions spiral when he confesses, "I've actually always had feelings for you." What follows is a forbidden, one-month affair reigniting a romance left unfinished years ago. Packed with emotional tension, passion, and the thrill of secret love, this gripping story explores desire, temptation, and the painful beauty of fleeting connections.