"Ubai Ai, Koko Kyoshi" presents a tangled drama of forbidden affections. Tsuyuko Hoshino, a nurse still mending from a painful divorce, pursues her dream of becoming a violinist. She lives with her teenage daughter, Akari, who battles a heart condition and harbors deep trust issues stemming from her father's abandonment. Tsuyuko's life takes an unexpected turn when she encounters Santa Fuyuno, a charming high school music teacher and flutist, at a local café. Despite knowing he is engaged to a colleague, Tsuyuko finds herself irresistibly drawn to him. Meanwhile, unbeknownst to Tsuyuko, Santa is also Akari's kind homeroom teacher. As he works to connect with the withdrawn Akari, his compassionate concern tragically evolves into unsettling romantic feelings for his student. This complex situation intricately weaves together themes of love, betrayal, and the fragile bonds of family.
Other names: 奪い愛、高校教師, Stolen Love, High School Teacher