An anthology comic of K-On! by various mangaka.

Volume 1
Cover: Kokonoka
Back cover: Hoppege
Cover 4-koma & manga: Toto Nemigi
Title page illustration: Iwami Shouko
Color illustrations: Sou, Marimo, Shiba Yuusuke, Toto Nemigi, Taichi Murata, Kanikama

Chapters:

1. To-Sen! by Mikami Komata
2. Nyan-On! by Kaduho
3. Poets From Hell by Daioki
4. RitsuMio Nodoka? by Sakura Hanpen
5. Tsumugi's Nice Day by Bakutendou
6. We Are Crazy by Hoppege
7. SawaNodo! by Suzushiro Seri
8. W-box by Risa Risa
9. Operation Dream Scouting by Araki Fuu
10. K-ON! by Shigatake
11. Autumn Girls Sweet Home by ms
12. Azu-Nyan by Tamaoka Kagari
13. Murder! by Haruna Mao
14. Hirasawa Family Circumstances by Nonohara Chiki

Volume 2
Cover: Ushiki Yoshitaka
Back cover: POP
Cover 4-koma & manga: Arai Cherry
Title page illustration: Kuroda bb
Color illustrations: Simadoriru, Shiro, Hota., Dasoku Sentarou, Kaneko Masaru, Nilitsu

Chapters:

1. Formerly and Newly Elected! Student Council Presidents by Mikage
2. The Blues Sisters by Hoppege
3. Hallelujah! by Harukaze Mika
4. Light Music Club's Club Room by Imu Sanjo
5. Tea Time! by Purapa
6. Girls' Talk! by Shima Tokio
7. The Second Light Music Club by kashmir
8. Maybe K-ON! by Arai Cherry
9. Azusa's Plan by Sakura Hanpen
10. Shamisen! by Kobayashi Tetsuya
11. Un-Tan! by Hara Yui
12. Transfer! by Nekotoufu
13. Flute Blowing Time by Kobayashi Tetsurou

Volume 3
Cover: GotoP
Back cover: Torishimo
Cover 4-koma & manga: Toto Nemigi
Title page illustration: CUTEG
Color illustrations: ms, eco*, Fuyuno Haruaki, Hatori Niwatori, Manami Tatsuya, Hara Yui

Chapters:

1. Great Queen of Forgetfulness by Iwami Shouko
2. NodoSawa by Suzushiro Seri
3. Stranded! by Komusou
4. Air by Konishi Aki
5. K-ON! by Tamaoki Benkyo
6. Club Room T-a-lk by Purapa
7. Ghost-ON! by hajime
8. Gachi-ON! by Yoshimura Kana
9. Ui-chan Does Her Best! by Gengorou
10. Club President For A Day! by shige
11. Let's Go For Some Soba by Nagumo.
12. by Iwami Shouko
13. by Tamaoka Kagari
14. Nodoka-cha~an! by Serebi Ryousangata
15. by Moriki Takeshi
16. by Hashimoto Shin
17. by Chinjuu Moririn
18. by Miso Oden
19. by Dasoku Sentarou

Volume 4
Cover: Shimotsuki Kinuhaze
Back cover: Muririn
Cover 4-koma: Daioki
Inside cover manga: Dowman Sayman
Title page illustration: Hyuga Azuri
Color illustrations: Fujishima, Sugano Manami, Mago, Doa, Sakuya Tsuitachi, Nilitsu

Chapters:

1. Underclassmen by Sakayama Shinta
2. Good Bye! by Hota.
3. Ricchan's 12am Plan by Mizu Asato
4. Afterschool Without Tea Time by Hiro
5. Operation Dream by Rioshi
6. Azu-Nyan and Mysterious Yui-senpai by Yuzuki Gao
7. Club President Azusa! by BeLL
8. Azussan by Shiba Yuusuke
9. Hirasawa Sisters' Magnificent Scheme by Koi
10. ...enough to get into fights? by Mitsuki Meia
11. by Kito
12. Noseblled-Prone Light Music Club by Cloba U
13. by Haruna Mao
14. by Kobayashi Tetsurou
15. Fake Mugi by Imu Sanjo
16. LMAO of An-chan the Music Store Clerk by Shirayuki Shion
17. by Sanada Ikki
18. JWU! by Mikage

Volume 5
Cover: Sazanami Chima
Back cover: Ixy
Cover 4-koma & manga: Suzushiro Seri
Title page illustration: nauribon
Color illustrations: subachi, Kotamaru, pinePA, Hatoharu, Mosuko, Asagiri

Chapters:

1. The Afterschool Goes On! by Hara Yui
2. Afterschool Mille-feuille Time by Tachi
3. Go What Go What?! by Nishiuri Warito
4. Sunday by Yatosaki Haru
5. Guitar With You by Kinniku Tarou
6. No Club Can Beat The Light Music Club!! by Arata Iri
7. Afterschool Case File by Take Shinobu
8. Flying Azusa by Kounosu Satori
9. King's Ice Cream by Usume Shirou
10. Yui's Holiday by Kanikama
11. Azusa's "I'll do it by myself" by Matsuda Shima
12. Azu Returns The Favor by Kamonari
13. Little Sister by Nozomi