Nome original: 삼백살 20학번
Data de lançamento: 21 de dezembro de 2020
Série
Tempo médio: 16 minutos
Gêneros:
Sinopse: The series is a fantasy comic web drama that tells a story of three students, who were studying in Seowon during the Joseon period accidently time travel and arrive at present-day Seowon in 2020.