MTL - Immortal Becomes a Stay-at-home Dad After Return - ~ 533 Swimming Fitness Learn?

What would you do when you wake up in another world with an Analysis system backing you up?

Sato Inugami fell victim to an explosion in his apartment which led to him reincarnating after his death.

With the help of his Analysis Helix system which helps him store skills and knowledge about the world of fantasies.

From ruling over elves to build an entire nations with the help of his system, beautiful maidens and subordinates, Sato soon found himself being formidable.

With his success soon known around kingdoms that posed to be a threat to him as he climbs up the rank.

Sato must now protect his people from Demons, Kings, and even gods as he rose amongst the ranks to become the strongest Ruler.

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

This is a story about a reborn Immortal Emperor, who plays the fool to trick his enemies!The regrets of the past life will not be repeated in this life! If one day I become the Immortal Emperor, I shall ensure blossoms bloom profusely!

A man in his thirties was standing in front of she-devil's grave, under everyone's watchful eyes, he dropped the flower to her coffin, his tone was full of ridicule. “Congrats on your death.”Next year he came, “I won. You lost to me and I will live well. Just rot in there.”Next year he came again, “I have a pretty girlfriend and I will marry next year. My life is good. Nothing to worry about.”Next year he came once more, “I will stop visiting and forget you! My life is better without you! See, I live well!”But he came again the next year and the years after that. People said he was hunted by his so-called arch-enemy. That even after death, the devil did not even let him go.He stood in front of her grave. His once handsome face had turned old and wrinkly.“Bei Sangyun, I cursed you. You are not allowed to rest in peace. You must be suffering there like me, right? You devil...”He might be the last one standing. But his life was the same as the dead's- lifeless and empty. He did not live well, he never once marry and his heart was never at peace.And it was all the fault of one person.*****Bei Sangyun was a big bully in high school. The target of her bullying was the skinny boy in her grade, Fei Chuan. They were classmates once in kindergarten and met again in high school.But one day, just a year left before graduation, the big bully suddenly changed.One day, Fei Chuan hesitantly opened his locker. The other night, the big bully said that she left something in his locker. He did not really want to open it. He was afraid a poisonous snake would come out of his locker. However, his report card was there. With gritted teeth, the young boy opened it.However, what appeared was not a hideous thing as he expected, but a bright pink letter with a little heart sticker as a seal.It turned out, the surprise was scarier than a snake.Was this a new form of torture?Since then, Bei Sangyun relentlessly chased the young Fei Chuan until the two got married.******This is a story of rebirth. The two arch-enemies who could not live under the same sky had become sweet lovers.