After Mortal Life

In the 21st century AD, the monsters that were sealed by the God of War Buzefan two thousand years ago in the Demon-Slaying War broke the seal and escaped into the world due to the 20th-century "Earth Telescope" project. The world is already in danger behind the scenes. He Zefan, an otaku, accidentally gained the ability to copy the skills and items of secondary characters, and he embarked on a journey to realize his dream. Naruto's Rasengan, the golden infinite sword system, Master Tong's Sixteen Star Explosion Air Slash, I will use them all for you! Want to teleport? I have a rabbit charm here. I wonder if you are interested in it? Want to transform? I have a key to "haunted by evil spirits" for you to change! I don't like the twin-ponytail loli, after all, she likes to bombard me with big guns. I prefer beautiful older sisters, what? Are you actually my lover from a previous life? ? He Zefan finally embarked on a journey to "save the world". What? Am I actually Buzefan, the demon-slaying god of war from two thousand years ago? ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.