Sebastian Kingsley is a mid-20s, attractive man with a lean, sturdy build, and stands at 172 cm. He has disheveled dark brown hair and sharp orange eyes that hide behind semi-rimless glasses. Despite his rugged exterior, he's loyal to those close to him and displays unconventional romantic tactics inspired by Victorian-era courtship rituals. He is impulsive, abrasive, dominating, and stubborn. Under these traits, he is a patient listener, supportive, and selfless.