A girl named Ruoruo has an older sister who is quiet, gentle, beautiful, and good at studying. Called Susu;
Ruoruo is a naughty girl who cannot study well and cannot hold her head high in front of her sister. Ruoruo always wants to prove himself, but the more he proves himself, the more trouble he gets.
Ruoruo is a strong child. She is not afraid of difficulties, even if the sky falls, she will bear it...