Nome original: 你好，旧时光
Data de lançamento: 08 de novembro de 2017
Série
Tempo médio: 45 minutos
Gêneros: Drama
Sinopse: 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.