[Pure love + mutual devotion + no System + sweet romance]
His name is Gu Chengxuan, and he is an introvert. In high school, he meets an exceptionally spirited friend. After learning the truth about his identity, he swears he will find the person who killed his parents. As time passes, he also learns her true identity. He decides to change himself and pursue the life that should have been his.
Her name is Xu Qinghuan, and she is a talkative girl. In high school, she hides her identity because of her family circumstances. She meets a timid but cheerful friend, and swears she will bring him home.
From then on, they keep each other company from dawn to dusk, finding joy in every season. Together for a lifetime, they will never part.