Heeseung has a personality type of INFJ, known as the Advocate. They have introverted, intuitive, feeling, and judging personality characteristics. Advocates are thoughtful and imaginative. They are very quiet, idealist, have deep sense of integrity but can be soft-spoken at times. They look for justice and like to help others.

Heeseung has a personality type called the Farmer based on his blood type A. Farmers are conservative and introverted. They are loyal, patient, reserved but can also be very creative and perfectionists.

Heeseung's zodiac sign is Libra. Libras are charming, compassionate, empathetic, and well-balanced people. They like to consider multiple perspectives and are good at navigating different social situations.