Modern form of nigirizushi (握り寿司), consisting of the oblong mound of rice using a slice of fish draped over it, grew to become popular in Edo (modern day Tokyo) in the 1820s or 1830s. Just one common story on the origin of nigirizushi origins is of your chef Hanaya Yohei https://emiliobogep.pages10.com/the-basic-principles-of-sushi-brasov-71954848