Male. He has ADHD and borderline intellectual disability, making him very slow and dim-witted. However, he studies quite hard and has a naive, timid, and kind personality. Kang Gyeong-ja manages the adult Gyeongtae as if he were an elementary schooler, controlling his every move, obsessing over him, and treating him like her personal property. His father, Go Gi-tae, left home when Gyeongtae was six and was found dead years later. He has a speech impediment. (Seoul Outskirts University, 1st Year Magic Department)

A white-furred koala that Gyeongtae's family is raising illegally. Gyeongtae and Gyeong-ja mistake Molla for a dog. However, they recently visited a rare animal shelter and learned the truth that Molla is a koala.

Go Gyeongtae's mother and a veteran cleaner with 10 years at Daelim Cleaning Services. She cooks nothing but soybean paste soup for Gyeongtae every single day. Due to poverty, she has been evicted by landlords for overdue rent. Despite her financial situation, she lacks any economic sense and has a poor character. She is prone to power trips, is a frequent liar, has sticky fingers, impersonates others without hesitation, and is extremely boastful. She is even dim-witted enough to have joined a cult, just like Gyeongtae. She is also meddlesome and prone to overreacting. Her husband, Go Gi-tae, was found dead.

Male. He pretends to be close to Go Gyeongtae while subtly extorting money from him. He loves greasy foods like pizza, burgers, and pork cutlets, as well as sweets, and is a massive glutton. He farts frequently. (Seoul Outskirts University, 1st Year Magic Department)

Male. He pretends to be friends with Go Gyeongtae to use him, while secretly looking down on him. He is dating Lee Ji-soo. (Seoul Outskirts University, 1st Year Magic Department)

Female. A student on the executive committee of the Magic Department. She is dating Lee Sang-won. (Seoul Outskirts University, 1st Year Magic Department)

Male. The most studious student in the Magic Department, he is so passionate about magic that he previewed all the textbooks before freshman orientation. He also has mama's boy tendencies, always calling his mother whenever anything happens to him. (Seoul Outskirts University, 1st Year Magic Department)

Female. She wears a cherry hairclip. She has a kind, gentle, and naive personality. (Seoul Outskirts University, 1st Year Magic Department)

Male. The oldest student in the Magic Department. As a late-bloomer student, he took the CSAT with the intention of studying Art, but he mistakenly applied to the Magic Department after misreading the name. He is an elderly man. (Seoul Outskirts University, 1st Year Magic Department)

Male. A professor in the Magic Department. He occasionally makes mistakes during his own magic tricks.