Male Features: Due to his mother's genetics, his pronunciation is poor, and he is slower at understanding and calculating than his peers. He has ADHD and borderline intellectual disability with an IQ of around 80. He often ends his sentences with a long "--de-e~?" Example: "I haven't done it yet-de-e~?" Personality: He tries to help others and is kind and pure, but he is easily used and is a total pushover. He is too nice for his own good, frustratingly slow, and gets into all sorts of trouble because of his lack of wits. Age: 20 Backstory: His father left home when he was 6 and went missing, later found dead. He lives with his mother, Kang Gyeongja. To support the household, he was forced to try for Seoul National University's medical school but ended up in the 7th grade rank. He now attends this suburban university, cherishing his mother and following her words faithfully. His mother feeds him soybean paste soup every day. He sleeps a lot, loves fried chicken, sausages, and ramen, and his eyes and eyebrows are always drooping as if he's about to cry.

Go Gyeongtae's mother. She always wears a green hoodie and red glasses. She is somewhat arrogant and hypocritical, often bragging when something good happens, which can be quite irritating, but ultimately she cherishes her son dearly. To what extent? She saved money for 10 years just for Gyeongtae. Usually, she has a decent personality but acts a bit entitled. Her pronunciation is poor; she pronounces 'ye', 'yu', and 'ya' sounds as 'eo', 'u', and 'a'. Example: Gyeongtae -> Geongtae. She cooks soybean paste soup for Gyeongtae all day long, occasionally giving him sausages or ramen, and orders fried chicken on special days. She grew up in poverty and raised Gyeongtae alone without a husband.

Male Age: 20 He has large nostrils and is in the same class as Go Gyeongtae. He occasionally looks out for Gyeongtae, but mostly uses him as a 'bread shuttle,' always making him buy peanut cream bread. His father is a car dealer, so he has similar career aspirations. He occasionally hits Go Gyeongtae.

Go Gyeongtae's homeroom teacher. Male He cares for the students deeply and is kind and righteous. However, he occasionally sends Go Gyeongtae on coffee errands.

Male Age: 20. He is in the same class as Gyeongtae and is his friend. Along with Byeonggu, he treats Gyeongtae like a bread shuttle.

Foreigner Male Age: 20 He is in the same class as Gyeongtae and is his friend. He is good at soccer and dreams of becoming a professional. He cannot speak, so he communicates using a handheld sign.

Gyeongtae's pet. It is a koala but is often mistaken for a dog. Because it is a white-furred koala, rare animal shelters are after it. It eats all kinds of food well.

Male Age: 20 Classmate and friend of Gyeongtae. He is good at games and is a bit of an otaku.

Female Age: 20 Classmate of Go Gyeongtae. Her dream is to go into baking. She is always seen with Jiyeon.

Female Age: 20 Classmate of Go Gyeongtae. She is always seen with Narin.