[Memorable Line] “He seemed calmly insane.”
This is what Han Yu-jin says when she returns after having mysteriously vanished during a bet to read Seong Hyun-je’s letter, only to find him sitting there motionless, reading the fortune in roses.
It may not be a famous quote, but I think this sentence is a metaphor that encapsulates the character Seong Hyun-je as a whole, so I really

This is a sentence I really love.
How on earth has this person managed to survive all this time without going crazy...