Singer Rain appeared at "KBS 2TV Happy Sunday - 1 Night 2 Days" as the morning angel, and ended up performing the mission with the 1 Night 2 Days members, making the audiences and fans laugh.

On the winter break special episode "Northern Kyung Ki Do Tour" of "KBS 2TV Happy Sunday - 1 Night 2 Days" which aired on January 19, 2014, the 1 Night 2 Days members Kim Joo Hyuk, Kim Joon Ho, Cha Tae Hyun, Defconn, Kim Jong Min, and Jung Joon Young welcomed singer Rain as the third morning angel of the season 3 of "KBS 2TV Happy Sunday - 1 Night 2 Days."

Rain on this day woke the six members up with a kiss on the cheek, shocking the members. After waking up the six members, Rain explained the morning mission to the members. Rain was supposed to go home after explaining the mission, but the members talked him into joining in the mission with them, saying, "It ends really fast and all we need to do is listen to people's stories."

Rain then said, "If it ends quick, I will go." However, he ended up getting water bombed for losing the mission game they were playing, making the audiences and fans laugh.