High martial arts and low mystery + multiple protagonists + decisive killing + system + book penetration + gender change (complete elements)
This is the growth history of a young knight-errant.
Song Yang was sold into slavery by his parents for ten years.
Chu Mo came through time and was charged with the system, but was destined to become the stepping stone for the protagonist.
Jing Hao has a mysterious identity and ulterior motives.
Three young men with different personalities and thoughts, but they got together by fate.
What kind of story will this be?