From the Start, I Handed the Anime World Over to the Nation, and They Told Me to Become Invincible First

[Two worlds + anime + unbeatable backing + resource development + a whole nation ascends] “Chief, I request permission to hand over the anime world to the country!” “It has all kinds of power systems: Devil Fruits, chakra, magic, ki, and more.” Gu Lingxiao accidentally transmigrates to Cocoyasi Village in the One Piece world. He thinks Arlong is going to kill him. But by chance, he awakens a Dragon-and-Phoenix Ring that can contact the Dragon Kingdom! The news shocks the entire nation, and an emergency high-level meeting is held that very night. “Approved! Establish the Otherworld Command Center immediately. Codename: Nantianmen.” “The nation will provide unlimited resources. You can even mobilize the country's ultimate weapon.” “Now... the entire nation will support Comrade Gu Lingxiao in becoming invincible first!” With the whole country backing him, Gu Lingxiao obtains fish-man serum, giant serum, D-clan serum, Devil Fruit weapons, and more. Gradually, he rises to the top of the world. He thinks becoming invincible in the world of One Piece is the end of it. The next moment, he arrives in the world of Naruto, then in the demon-filled world of Demon Slayer, the ki-filled world of Dragon Ball, and the Marvel Universe, brimming with magic and superpowers. The Eastern dragon has truly awakened!