Spirit Cage, I Am Not a Tentacle Monster.

(Multiple female protagonists, including Bai Yuekui, Ran Bing, Erica, the Light Bearer sisters, etc.) Lin Yi was in the world of spiritual cages. He thought it was the beginning of the collapse of heaven, but he got the system binding, obtained the bloodline of the octopus monster, and unlocked the devouring ability, from a low-level snake dog to a devouring king-level pole-devouring beast. After that, he punched the Gravity Body, stepped on the Extreme Devouring Beast, abolished the three laws of the lighthouse, disbanded the Church of Light and Shadow, established a temple, donated the lighthouse, led five thousand temple disciples, and surrounded the king-level Extreme Devouring Beast. Fusion of the original Majin Kid Buu form (egg-shaped), swallowed Mana Kao, after transformation, powerfully suppressed the white boss, destroyed Mana ecology, swallowed false gods, traveled with all the beauties in the world, and physically descended into other planes to give the natives a little shock.