I Signed into the Wanjie System at the Beginning and I Became Invincible.

Travel through the comic book world and get the Wanjie sign-in system at the beginning! Every time you sign in to a new world, you can gain the strongest ability in that world. Dominate the One Piece world, crush the Naruto world, and become gods in the Dragon Ball world! After signing in, I can get a critical hit and reach full level immediately. Others have been practicing for decades, but I can get it done in one sign-in. Crush the strong ones in the original work, recruit countless followers, all worlds are my back garden! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.