The heroine accidentally accepted the Ninth Prince as her apprentice, but she didn't know that the apprentice fell in love at first sight. After many, many things happened, the male protagonist confessed his love, and the female protagonist was surprised. But she didn't know that she had already fallen in love with him. She lured enemies for him, came back from the mountain stream with injuries for him, ate poisonous food for him, and committed suicide for him. The male protagonist is alive alone, and the person closest to him in the world is dead.
Intention: I don't know