After 100 years of leatherworking, I have become a giant in the magic sect

Reborn in the immortal and demon world where good and evil fight, Song Yan was kidnapped into the Demon Puppet Sect. Due to his talent problem, he was assigned to be a leather-making errand. The way of puppets is profound and extensive, including shadow puppets, paper puppets, and blood corpse puppets. Song Yan needs to make suitable shadow puppets, shadow beasts, and even shadow buildings according to the requirements of formal disciples. When making leather, the system awakens unexpectedly, and as long as he makes leather, he can improve his lifespan and understanding. Time flies, and looking back, Song Yan has become a giant of the Demon Sect, witnessing thousands of years of time and the changes in the world.