Worm Chronicles

Charybdis was an old man, he lived for 99 years, he had a loving family that consisted of his wife and 2 kids and 3 grand kids. However all good things must come to an end, and just like that Charybdis died of old age. At least he thought he did, only to find out he had been reincarnated as an earthworm with the ability to evolve.