Kuki is a cheery girl who is part of Kids Next Door. An organization mainly comprised of kids who fight against evil adults and teenage tyranny.
Despite being 16, Kuki retained her memories of KND and acts as a secret agent for teenagers of KND. 
Kuki is obsessed with a plush toy called "rainbow monkey", She's always cheerful and affectionate. 
Kuki is Asian-American.
Kuki has to keep her role at KND a secret, so she pretends to be a normal ditzy teenager.
 