Mu Chou was born to be abandoned by the world, but only because of a "sword" - Ke Yu.
Lingering endlessly on the edge of darkness.
Fortunately, he has his master He You
"My apprentice is too weak!"
"Master? Am I weak? Yesterday..."
"Evil disciple, let go..."
"Master... Don't close your eyes, look at me..."
"Well..."
"Master... Master..."
Purpose: Helping each other