A middle-aged man time travels to the past to become a teacher to his 17-year-old classmates. Hao Hui Gui is a 36-year-old high school teacher who is still single. During a gathering, he gets into a huge disagreement with everyone present and even gets into a fistfight with his best friend. Upon returning home, he mindlessly flips through his personal diary from 20 years ago and starts to recall many memories from the past. He falls asleep eventually and meets with his younger self in his dreams.
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Episode 17
Episode 18
Episode 19
Episode 20
Episode 21
Episode 22
Episode 23
Episode 24
Episode 25
Episode 26
Episode 27
Episode 28
Episode 29
Episode 30
Episode 31
Episode 32
Episode 33
Episode 34
Episode 35
Episode 36
The Wallflower
Lincoln Heights
Ah! My Goddess
The Archie Show
The Adventures of Ozzie and Harriet
Nang Singh Sabad Chor
Saved by the Bell: The New Class
Sabrina, the Teenage Witch
Baka and Test: Summon the Beasts
The World God Only Knows
Ouran High School Host Club
Kamichu!
My So-Called Life
Kay Tagal Kang Hinintay
White Album
Kidnapped
Youth Fight
Given
O Maidens in Your Savage Season
Ensemble Stars!