Although they boss around in front of commoners, they are at the absolute bottom of the privileged class, possessing only a tiny territory. Having reincarnated as such a petty villainous noble, Hachi utilizes his past life's love for frugality and decides to aim for becoming a "modest and inconspicuous petty noble." However, that very "waste-not spirit" accidentally grants him a unique magical power and skills that are far too convenient! While he remains the only one oblivious to his out-of-bounds abnormality, the heavy hitters of the world begin to recognize his unhideable true ability—the tale of a noble who is perfectly satisfied with being a minor figure but ends up rising through the ranks anyway, officially begins!