Death has destroyed six worlds, and now, the seventh world is shrouded in Death's shadow. Ultraman, Pokemon, Awakeners, Great Sword Warriors, and the ferocious monsters will work together to protect the safety of the seventh world and welcome the bloody storm of death! What will they do when faced with the fear of death? Will the seventh world they protect become the purgatory of death? Then, please open this book - "The Battle of the Seventh World in Time Travel".