Botsuraku Yotei no Kizoku Dakedo, Hima Datta kara Mahou o Kiwamete Mita

This ordinary middle-aged man now finds himself in the body of Liam Hamilton, the young son of a noble house teetering on the brink of ruin. Between a desperately frantic father and utterly indifferent siblings, the one bright side of his new situation is that he can finally try to learn magic, just as Liam had always wanted. Little does he know that his hobby of choice may upend his life once again! Will Liam be able to master the art of magic? And will it be enough to save him from the shadow looming over his family...? Auto-translated from Turkish