Realms In The Firmament - Chapter 1995End - Finale!

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

After a god screws up and accidentally takes high schooler Shou’s life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble’s son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he’s a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What’s more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright and cool!

The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families. Orba, who was driven from his home because of the war and was forced to become a gladiator, looks exactly like the crown prince of Mephius, and it has been decided he will be substituting him during the wedding ceremony. On the other hand, Vileena, the princess of Garbera, has secretly decided to ensnare the crown prince for her own country’s interests.

One day, Jiao Bai went home and passed by the small bookstore, walked in. The boss recommended a batch of new goods to him with a fatherly face, all of which were rotten. He went home happily, but was hit by a car at the intersection in front of his house, and as soon as he opened his eyes, he was in a BE scumbag.

Hehehe. Jiao Bai folded his hands on his stomach, lying on the big white bed with a peaceful face, he dressed as one of the candidates… of the little stepmother of that scumbag. Oh, by the way, the protagonist in the manhua, the cheap Shou, is the white moonlight of the character he passed through. Now, washing up in the bathroom is an old friend of the protagonist gong’s dad, and next door is the slag gong’s dad and his old friend’s ‘Little Pepper’.

- Description from Novelupdates