based on webcomic or webtoon

When respect collapses in schools, unconventional inspectors arrive to set things right — with sharp, no-nonsense lessons you won't find in textbooks.

With the aid of unexpected friends, a gifted but introverted student confronts bullies and violent foes — unaware of how dangerous his world will become.

As the deceased soul Ja-hong and his three afterlife guardians prepare for their remaining trials for reincarnation, the guardians soon come face to face with the truth of their tragic ...

Having died unexpectedly, firefighter Ja-hong is taken to the afterlife by 3 afterlife guardians. Only when he passes 7 trials over 49 days and proves he was innocent in human life, ...