Guardian: The Lonely and Great God Season 1 Episode 10
Is She Really Your Sister?
After the Reaper forgets that he erased Sunny's memory and makes a slip of the tongue, she demands to know who he is and why he knows her real name.
Guest Stars
Kim Min-jae
King
Ahn Ji-hyun
Ko Hyeon-jung (ghost at library)
Kim So-hyun
Kim Sun