There Is No Idiom for This World of Rebirth

18-Year-old high school student fell asleep due to car accident And his soul was attracted to another world A good-for-nothing boy reborn in another world Most people in this world only know words Don't know the idiom Those rare people accidentally learn the four-character idiom And if you understand its meaning thoroughly, you will become a prince. Rule the people of a city The protagonist is surprised to find out after possessing the loser With your existing knowledge reserves Enough to stand in this world This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.