2026. Kang Kwon, a scrawny boy who takes after his father, stands only 159 cm tall and weighs 51 kg. Bullied at school every single day, he eventually falls from the rooftop.
He wakes up in 1996, in the body of his father’s best friend, Uncle Choi Kang Kwon, who is 188 cm tall and weighs 71 kg.
But contrary to expectations, Uncle Choi Kang Kwon isn’t some tough, popular guyhe’s actually a bullied loser himself… Now taller but still a total outcast, (Choi) Kang Kwon’s difficult(?) high school life in 1996 begins.