Bayushi Mochiko was dowager of the Scorpion Clan, mother of the Scorpion Clan Champion, and grandmother of Bayushi Kiyogimi. The Lion Clan ambassador Ikoma Yuri immortalized a birthday celebration for her in a letter to his Champion, Akodo Hirano. This particular celebration was marred with the uncouth interruption of a Crab Clan emmisary and the shaming of Kiyogimi.