Meeting at a high-rise building's observation deck, married woman Kazuki. Engaging in a forbidden affair, hiding from her husband. Savoring every limited moment of this illicit date. A special, time-bound rendezvous—an intimate affair away from reality. Time flies by in an instant. Wanting just a little longer, to prolong this fleeting moment. Initially just seeking a change of pace, yet finding herself falling in love. As their secret moments continue, hidden emotions deepen within her heart.