Maseki Gurume: Mamono no Chikara o Tabeta Ore wa Saikyou!

Synopsis:

In this world, It's just me who can get more grounded by eating Magic Stones! At a certain point, I got a proposal to have a smooth life resurrection from the Goddess-sama... Yet, the ability I got as an award is Toxins Decomposition EX. Ugh, what a plain expertise! Its desolate to the point that even my own family ridicules me... Notwithstanding, on one occasion I understood that on account of this abilities impact, I can eat and acquire power from Magic Stones! I've additionally been told that I'm the sovereign from an adjoining country!? What looks for me in the palace are long periods of exploring different avenues regarding Magic Stones and preparing, the ideal climate for me to turn into the most grounded man there is... Also, to finish it off, I got the Magic Stone of Dullahan! The narrative of a kid on the way to turn into a King while at the same time being pursued by an emphatic fiancee and Female Knights begins here!