I Dominate the Mouse World

The "I" who failed in life was about to be destroyed. When I met the guidance of an immortal, I accidentally turned into a mouse. Then began a legendary adventure. I always meet noble people, and all my talents are put to use. In this underground world, I fly around, overcome obstacles, and finally return to human beings... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.