Seventeen-year-old high school student Yui Nakamura joins the Inugane Group as an idol trainee, becoming the newest member of the Gokudols alongside the main trio. Portrayed as cheerful and upbeat, she holds the unconventional Gokudols in exceptionally high regard. This admiration offers a fresh perspective contrasting sharply with the original members' experience as they navigate their dual identities. Yui Nakamura is initially introduced in the live-action film continuity, with her involvement continued and expanded in a subsequent live-action television series.