Oshawott

A massive earthquake ravaged Japan's mainland and destroyed most of Tokyo, sinking three-quarters of it into the ocean. Ten years later, the story shifts to Igarashi Ganta, a seemingly ordinary student attending Nagano Prefecture's middle school.

Ash is a young boy who has always dreamed of becoming a Pokemon trainer. At age 11 he is gifted his first Pokemon, Pikachu, from Professor Oak.