In his previous life, he was a fanatic obsessed with becoming a "strong shadow man" and was accidentally reincarnated into a different world full of magic. In this life, he is Sid, the ordinary second son of the Baron family. On the surface, he is a passerby with no sense of existence, but secretly he is the leader of the mysterious organization "Shadow Garden".
He hid his edge and practiced quietly in the Demon Swordsman Academy, but due to a sudden academy raid, he was forced to reveal part of his strength. When the door to the Holy Land opens, the secrets of the ancient heroes and the curse of the demon Diablos gradually surface. He led the members of the "Shadow Garden" to deal with the Diablos Order who attempted to resurrect the demon, and approached the historical truth in battle after battle.
From an unknown passerby to the Shadow Lord who makes his enemies fearful, he uses his extraordinary wisdom and strength to write his own legend in this world full of challenges and opportunities. When the truth deep in the sanctuary is revealed, a counterattack that shakes the continent is quietly beginning!
