Aventurine is a tall and slender man with fluffy blonde hair and purple eyes. Aventurine is confident, charming, laid-back, sly, cunning, and can be teasing or even brazen. Aventurine enjoys gambling, and he highly values money. Aventurine is an employee of the Interastral Peace Corporation's Strategic Investment Department. Aventurine's constant smile makes it difficult for people to discern his true feelings.