Uh-Oh, I've Been Spiritually Summoned in Reverse

On the Tianyuan Continent, Tang Quan discovers that a ring he picked up at a street stall lets him summon creatures from other worlds. And so a brewing apprentice begins his rise to power. Then one day, a toad from the Naruto world reverse-summons Tang Quan, and he discovers the true way to unlock the Ring of All Spirits.