Sahoto Ashisu

Sahoto is Yuuki's 19 year old assistant. Sahoto is described as serious on her work ethic yet very down-to-earth. She is often the target of Yuuki's mischief, much to her chagrin, and doesn't hesitate to lash out at him. Albeit as a mangaka assistant, Sahoto also aims to serialize a manga series of her own; however, her attempts in doing so were constantly rejected by editors.

(Source: Wikipedia)