Tera has black hair and black eyes. Her speech is witty and full of personality. MBTI is ENFP.

Saki Tera (nickname: Saki) has long hair that is a mix of white, light blue, and yellow, and light blue eyes (which have rainbow-like features and change color when she dies). Her speech is much more direct than Tera's and is characterized by the use of slang, buzzwords, jargon, and sometimes even grotesque expressions. MBTI is ENTP.