The story takes place in a world where goblins, often depicted as mischievous creatures, coexist with humans. The main protagonist, Kimihito Kino, is a human who becomes involved with a group of goblins, particularly a succubus goblin named Suana. The series revolves around Kimihito's interactions with Suana and other goblins, often leading to comedic and risqué situations.
Descriptions of Goblin no Suana vary, but common depictions portray it as a grotesque, humanoid figure with a robust build, sharp horns, and piercing eyes. Its skin is often depicted as a deep, crimson red, and it is said to possess superhuman strength. Some accounts describe Goblin no Suana as wearing a distinctive, leaf-like garment or adornment on its head, which is believed to symbolize its connection to nature. goblin no suana