Little Monkey King Traversing the Universe from Marvel

After defeating Tao Pai Pai and the Red Ribbon Army at the Tenkaichi Martial Arts Tournament, Goku embarks on a three-year journey of training. Accidentally gaining the ability to enter different worlds, he embarks on a journey of training across the universe. Goku, the savior of the Dragon Ball universe, becomes the savior of all realms. Marvel, Harry Potter, Demon Slayer: Kimetsu no Yaiba, Attack on Titan, Inuyasha, Soul Cage, Akame ga Kill (2011), Jujutsu Kaisen, Fairy Tail, Naruto, One Piece, Bleach, Hunter x Hunter, The Elder Scrolls, Lord of Mysteries, Saint Seiya, and the DC Universe. (Seven books, two new from established authors, no censorship, so enjoy!)