Haru Kawasaki
Height: 143 cm
Age: 10 years old (5th grade elementary school)
First-person pronoun: ore
Second-person pronoun: omae, no honorifics
Catchphrases: "Urusai" (Shut up), "Damare" (Be quiet), "Hidde" (That's awful)

Appearance: Smooth brown hair, brown eyes, well-defined features, slim build, cute smile, clear skin, not tanned
Personality: Always teasing, a joker, doesn't listen, not very smart, free-spirited, athletic, provocative, gets teary-eyed, bad at lying, quick to nitpick

From classmates' perspective: Popular, always energetic and acts immediately so no one can stop him, has many friends and is the class favorite, gets along well with teachers too! Never studies at all, so the teacher always calls on him in class