LLENN is from the popular anime series, Sword Art Online. Kohiruimaki Karen, known as LLENN in Gun Gale Online, is the main character of the Gun Gale Online spin-off series. Due to having a complex about her tall stature in the real world, Karen began playing GGO, where she obtained a very short avatar. She became to be known as the Pink Devil in the game as a result of her using only pink equipment, as well as her prowess in player versus player battle.