Slow Travel Soul-Inducing Lamp

Arnold is a man with an incomplete soul. He died for no reason and got a soul-guiding lamp. The lamp spirit told her that if she wanted to replenish her soul, she had to go to the past life to get it. I didn't expect that in my previous life, I was a "cup" with deep resentment. I have to walk it all over again for the rest of my life. It's just... There are actually people who have traveled through these worlds Some are handsome dogs, some are sand sculptures, and there is also a chuunibyou Are these worlds about to collapse?