Am I Actually the Strongest? 3 (light novel)

The original light novel series of the popular isekai manga! To be reincarnated into another world with the promise of a ''cheat'' power is one thing... but to be reborn as a baby, and then left for dead after your royal parents think you''re powerless? That''s another thing entirely! Now the newly-born Reinhart - or Hart to his new friends - must find his way through a dangerous world... but luckily he''s got magic that''s quite literally off the charts!