Nombre original: 你好，旧时光
Fecha de estreno: 8 de noviembre de 2017
Serie
Tiempo promedio: 45 minutos
Géneros: Drama
Sinopsis: Yu Zhou Zhou, a math prodigy, defies her teachers and family's expectations and elects to study liberal arts. Though the transition from math & science to liberal arts major is difficult, she found joy in the new challenges, as well as making new friends and reconnecting with old ones.