The heroine, who was just a freshman in college, returned home and was shocked to find a younger brother at home. She found out that her mother had brought him back. After spending six years together with her younger brother, her younger brother actually developed a love for her older sister. Then her younger brother confessed his love to her older sister during the summer after the college entrance examination. Her older sister did not accept it.
Intent: The daily affection between relatives and the deep love between siblings