捨てられた回復魔法の愛し子と、裏切られた災厄の黒竜姫が出逢ったら (Associated Names)

The forsaken young boy saved the betrayed, battered dragon princess—and was saved by her in return. Born as “Gilbert,” the sixth prince of the Hylics Empire, one of the major powers of the western nations, he was deemed as useless and lived a wretched life within the imperial palace. His life was worse than a…