Nombre original: รุ้งสีเทา
Fecha de estreno: 27 de abril de 2016
Serie
Tiempo promedio: 80 minutos
Géneros: Drama
Sinopsis: Grey Rainbow tells the love story of Nuer and Porsche. Nuer is the son of the owner of an elephant camp while Porsche is a law student. In university, they were dormitory roommates and close friends, each fighting against the feelings that one has for the other.