Tertiary Sex Characteristics Stage, Ootsuka-kun!

Are you livving a fulfilled life? No, I'm 40.

In 1987, Tsuyoshi Ootsuka fainted in a freak accident. 26 years later, he miraculously woke up. Now it's time for Ootsuka to go back to school where he plans to live his youth with full force! There's just one problem: on the outside, everyone sees a 40-year-old man, while on the inside, he's still just a 14-year-old boy.