After seeing an open position for an assistant, talented artist Fukuhara Misuzu joins the ranks of Grand Prix's store and designs her first mascot character for the company. Although she appears to be quiet and reserved on the outside, her ability to draw cute girl characters is the best in the world. The way she smiles to Kubo incites a slight jealousy in Tanaka.

According Satō Hiroki, Fukuhara was originally going to be a male character, but was changed to increase the amount of female characters in the story.