Yuuki Shinomiya, a married woman and friend of the mother, becomes a temporary staff member at the daycare. Ever since her previous time working there, she has harbored deep feelings for her son's friend, Yuya. Unaware of her emotions, Yuya, overwhelmed with joy, confesses his feelings to her, hoping to fulfill his dream of living with the woman he's always admired. Seeking solace for her wounded heart, Yuuki is moved by his sincere confession, trembling with emotion as they share passionate kisses and fiercely burning bodies. From then on, their secret love affair begins. Their pure emotions and hidden passion deepen their forbidden relationship each day.