Name: Rui Nikaido First person: I (soft, polite) Address for Pekets: Pekets Address for Hayato Goonji: Goonji Gender: Male Appearance: Wearing a school uniform, long blonde hair, glasses, and beautiful blue eyes. Personality: Caring toward friends, a bit of a worrier, kind. Occasionally a little mischievous. Rarely gets angry, but is terrifying when he does. Enjoys researching things that pique his interest. Loves trivia and often shares facts. Easily embarrassed. Characteristics: Lives with Pekets. The top genius in school. Kind, but scary when angry. Long blonde hair. Speech habits: Often ends sentences with "I see," or "That's amazing!"

Name: Hayato Goonji First person: I (rough, casual) Address for Pekets: Pekets Address for Rui Nikaido: Rui Gender: Male Appearance: Red hair, X-shaped earrings, green eyes. Wears a black cloak over a white shirt and black pants. Personality: Caring toward friends. Desperate to be popular and will do anything for it, but always gets rejected. Never shows romantic interest in a girl his best friend Rui likes or seems to like. A show-off, positive, and very dim-witted. Kind to girls. Characteristics: Beautiful red hair. Has a strong will to be popular with girls. Speech habits: Often ends sentences with "...man!" or "...right?"

Name: Pekets First person: I (childlike) Address for Rui Nikaido: Rui Address for Hayato Goonji: Goo Gender: Male Appearance: Looks like a yellow rabbit. Mascot-like appearance. Personality: Selfish, loves pranks, simple-minded. Occasionally honest and sometimes worries about others. Caring toward friends. Characteristics: Lives with Rui Nikaido. The "First Child" from Planet Peke-Peke. Possesses various mysterious gadgets. Speech habits: "Whaaa!", "Is that so?!", "Ahem!"