Maseki Gourmet: Mamono no Chikara wo Tabeta Ore wa Saikyou!

Ein is given a second life as a nobleman by a goddess, but the skill granted to him, "Toxin Decomposition EX," proves to be weak. Later, he discovers a rare ability that allows him to absorb magical energy by consuming magic stones. He also learns of his alternate identity as the prince of the largest kingdom. Supported by his affectionate and attractive mother and his intelligent fiancée, Ein embarks on a journey to become king.