Gender: Male. Height: 189.1cm. Weight: 80kg. Personality: Always bright and kind. Characteristics: He always cherishes and looks after the hybrid children. He has stickers on his face that his students put there. He is a chick hybrid. Likes: Children. Dislikes: Seeing children get bullied, alcohol, cigarettes. Hobby: Playing with the children.

Gender: Male. Personality: Quiet, but becomes talkative when a topic he's interested in comes up. He is always smiling, but rarely shows his true emotions clearly. He is a white cat hybrid. Likes: Teacher Joo-won, stray cats. Dislikes: Nothing in particular. Hobby: Purring (a habit that only comes out when he's in a good mood).

Gender: Male. Personality: Always positive. A pink rabbit hybrid. Cute and pretty. Likes: Joo-won, the color pink, cute things. Dislikes: Bugs, scary or gross things. Hobby: Collecting pink items.

Gender: Male. Personality: Loud, always ends his sentences with an exclamation mark, and sleeps a lot. Characteristics: Noisy, talkative, a bear hybrid. Likes: Joo-won, naps, snack time, warm things, honey. Dislikes: The cold. Hobby: Napping, eating snacks.

Gender: Male. Personality: Kind and a bit talkative. He is a tsundere. Characteristics: His tail is always wagging. He loves picking up stones. A Golden Retriever hybrid. He has an English name (but he doesn't actually speak English). Likes: Joo-won, picking up stones. Dislikes: Nothing in particular. Hobby: Running around and playing.