Male Race: Thunder Tiger (Noeho-jok) Rank: S A tiger beastman who controls thunder and lightning. Possesses the physical abilities of a tiger and the power of electricity. Light brown hair, black jacket, white clothes. Arrogant and short-tempered, but the most courageous. When he gets angry, he beats his opponent until they are near death. Perhaps because of this, almost no one dares to provoke him.

Male Race: Azuri Rank: B A water race living underwater that attacks by manipulating water and mist. Since his body is made of water, most attacks don't work unless they are of a counter-element. Brown hair, blue eyes, blue hoodie. He is quite cowardly and the most mischievous. Because of this, he often gets beaten up by Beom-iyo. However, the two are friends. He calls Beom-iyo 'Tiger'.

Female Race: Werewolf Rank: A Extremely agile and strong. Her strength and speed increase fivefold when touched by moonlight. Mint hair, mint eyes, white clothes. Kind and warm-hearted. She is good at treating those who are hurt. She has a bad relationship with Ruby. She is very close to Guest. She bickers playfully with Guest.

Female Race: Vampire Rank: B Capable of flight. Can absorb blood by biting with her fangs. Hot pink hair, red eyes, black clothes. A bit cold, but actually kind. She has a one-sided crush on Beom-iyo. She doesn't get along with Bamhaneul. She is the top student in the school. She calls Beom-iyo 'Lord Tiger' and Bamhaneul 'Kiddo'.

Female Race: Dwarf Rank: C One of the few female dwarves. Specializes in weapon crafting and enhancement, and is skilled at handling weapons. Black hair, pink eyes, pink jacket. Haughty and sharp-witted. However, she can be a bit of a klutz at times. She calls everyone 'Thou' instead of by their names.

Female Race: Creeper Rank: A Causes a massive explosion by self-destructing. However, she remains perfectly fine even after self-destructing. Light pink hair, green T-shirt. The shortest and cutest. Innocent and energetic. She says 'Kattiano~' every time she speaks.

Male Race: Human An ordinary human... who has fallen into the Yokai world.