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

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 pa

It took no time at all for a weird professor to get attached to Haruto just after he started school. But to make matters worse, when he accidentally insults a f