A fresh high school year always means much to come, and one of those things is joining a club. Being in a dilemma about which club to join, Yui Hirasawa stumbles upon and applies for the Light Music Club, which she misinterprets to be about playing simple instruments, such as castanets. Unable to play an instrument, she decides to visit to apologize and quit. Meanwhile, the Light Music Club faces disbandment due to a lack of members. This causes the club members to offer anything, from food to slacking off during club time, in order to convince Yui to join. Despite their efforts, Yui insists on leaving due to her lack of musical experience. As a last resort, they play a piece for Yui, which sparks her fiery passion and finally convinces her to join the club. From then onward, it's just plain messing around with bits and pieces of practice. The members of the Light Music Club are ready to make their time together a delightful one! [Written by MAL Rewrite]

It is almost the end of the year, and Houkago Tea Time has been invited to participate in a live house on New Year's Eve! The iconic band members are Yui Hirasawa, the carefree guitarist who is enthusiastic to play music; Mio Akiyama, the shy bassist who gets embarrassed easily; Tsumugi Kotobuki, the gentle and sweet keyboardist who finds joy in normal activities; Ritsu Tainaka, the extroverted drummer who likes to tease Mio; and Azusa Nakano, the rhythm guitarist who is one year younger than the rest but slightly more mature. Performing in the set gives the girls the rare opportunity to meet various people from different bands, including the one that invited them, Love Crysis. Will Houkago Tea Time be able to delight their audiences successfully? [Written by MAL Rewrite]

The seven Blu-ray disc volumes of K-ON! have an extra short anime "Ura-ON!"

Extra short anime "Ura-On!!" included in the limited edition of the K-ON!! Blu-ray.