I Was Told To Relinquish My Fiancé To My Little Sister, And The Greatest Dragon Took A Liking To Me And Unbelievably Took Over The Kingdom

I was Told to Relinquish My Fiancé to My Little Sister, and the Greatest Dragon Took a Liking to Me and Unbelievably Took Over the Kingdom : “After throwing myself to the magma, the being that appeared from there was none other than the one that corrodes everything, &ldquo