Accidentally Traveled Through a Plane and Became a Child

Salted fish is salted fish. If you travel through time, you will be a unique salted fish. An ancient ferocious beast. Isn't this my little pet? The world's best player? Isn't this my unreliable apprentice? Curiosities? Isn't this the leftover paper from my drawing? As for being number one in the world, I just want to marry a wife and have children. After all, I was just a little boy in my last life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.