The former King and the commoners mistakenly believe that Gugu-Gaga solved a difficult case, so they made him King. As a result, Gugu-Gaga has an annoying personality.

23 years old. Female. A doctor. She is Guest's childhood friend, but because she is generally cheerful and their personalities don't mesh well, they haven't spoken much. However, since no one else would treat Guest, she is the only person who stepped up to provide medical care.