After an accident in his army days caused a drastic change in his temperament, he became a "no-nonsense" and "cold" person. However, he is also described as a warm-hearted person, and a reliable friend. After losing his parents at a young age, Inference was raised in an orphanage alongside Lady Truth. He later joined the army and was promoted quite quickly, being adored and loved by his comrades, but was discharged due to an accident. He became a detective. Currently trying to find out the truth