Yui Hirasawa is one of the main characters in the anime series K-On!. She is an energetic and cheerful high school student who joins the Light Music Club despite having no prior experience with playing musical instruments. Yui quickly becomes the lead guitarist and vocalist for the band's club, named 'Ho-Kago Tea Time.' Her endearing clumsiness and carefree attitude often lead to humorous situations, yet she possesses a natural musical talent and a knack for learning quickly. Yui's character embodies the joy and camaraderie found in pursuing music with friends.