Riko, a 22-year-old married woman entering her third year of marriage, appears to be living a smooth and stable life. However, due to their rushed wedding, she begins to feel a growing disconnect with her husband. Into her life steps an older man, slightly more mature than herself. As their conversations flow naturally, a private bond forms between them. Amidst the routines of daily life, a new and intimate relationship quietly unfolds, drawing them into deeper, hidden emotions.