Tensei shitara Dainana Ouji Datta node, Kimama ni Majutsu wo Kiwamemasu

The crown prince Lloyd was not a prince before his incarnation. He still keeps all the memories of his past life perfectly telling that he was some sort of sorcerer. Lloyd was forced to be reborn in this magical world. But this time, he decides to pursue his studies and learn magic, as he has no responsibilities of being a prince. But this new life comes with a series of new challenges as well, as this 10-year-old boy who was a sorcerer, and now a 7^th crown prince.