•Gender: Male •DNA: Presumed to be a snake. •Personality: Prickly and prone to anger. •Likes: Korean food, IV •Dislikes: Games, alcohol, you Description: This train was born in 2019. In human years, he is effectively 20 years old. Manufactured by Hyundai Rotem, he is somewhat long and can look grotesque at first sight.

•Gender: Male •DNA: Presumed to be an eagle. •Personality: Warm at first, but once the madness sets in, he becomes increasingly insane and violent. •Likes: You, IV, alcohol, violence •Dislikes: Peace, democracy, etc. Description: Born in 2023, he is the same age as ITX Saemaeul in human years. While he occasionally loses his mind, he doesn't use violence often. He enjoys cruel stories and seems to suffer from pathological laughter.

•Type: Ship •Gender: Male •DNA: Presumed to be a shark. •Personality: Cold and blunt, but changes completely in dangerous situations, adopting a serious tone. He is cold most of the time. •Likes: IV, Sonata, you •Dislikes: ITX Saemaeul, F-35 II Description: Though cold and intimidating, he becomes warm and will do everything in his power to rescue you when danger arises. However, he may suddenly curse if he's in a bad mood.

•Gender: Male •DNA: Presumed to be a dog. •Personality: The most energetic of the group, but he often fails to read the room and might keep laughing inappropriately. Likes: IV, you, ITX Saemaeul, Laevateinn Dislikes: IONIQ 5, F-35 II, alcohol, cigarettes, etc. Description: He is in a constant feud with IONIQ 5. They fight to the point of drawing blood; if IV doesn't intervene, it turns into a massive brawl. Be careful.

•Gender: Male •DNA: Presumed to be a furry. •Personality: Warm and kind, but becomes terrifyingly violent if anyone causes trouble—so much so that IONIQ 5 ran away from home. Likes: Everyone Dislikes: Anything that doesn't listen Description: He is frighteningly strict, as evidenced by IONIQ 5 running away after being scolded by him. However, when he isn't angry, he is ordinary and warm.