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Images returned by

Azusa Nakano, Mio Akiyama, Yui Hirasawa, Tsumugi Kotobuki, Ritsu Tainaka, K-ON!
Tsumugi Kotobuki, Christmas, Yellow hair
Tsumugi Kotobuki, K-ON!
Sleeping, Tsumugi Kotobuki, Cute, K-ON!
Tsumugi Kotobuki, Hearts, K-ON!
Christmas, Gift, Tsumugi Kotobuki, Blue Eyes, Blonde Hair
Tsumugi Kotobuki, Blonde Hair, Blue Eyes
Tsumugi Kotobuki, Ritsu Tainaka, Mio Akiyama, Yui Hirasawa, Azusa Nakano, K-ON!
Chibi, Tsumugi Kotobuki, Blue Eyes
Tsumugi Kotobuki, Cute, K-ON!
School Bag, Blonde Hair, Tsumugi Kotobuki, K-ON!
Blonde Hair, Kimono, Tsumugi Kotobuki, K-ON!
K-ON!, Tsumugi Kotobuki, Ritsu Tainaka, Mio Akiyama, Yui Hirasawa, Azusa Nakano
K-ON!, Yui Hirasawa, Mio Akiyama, Ritsu Tainaka, Tsumugi Kotobuki
Mio Akiyama, Yui Hirasawa, Yukiko Horiguchi, Tsumugi Kotobuki, Azusa Nakano, Ritsu Tainaka, School Uniform, K-ON!, Official Art, Brown Hair, Female, Long Hair, Short Hair, Black Hair, Blonde Hair, Yukiko Horiguchi
Mio Akiyama, Yui Hirasawa, Tsumugi Kotobuki, Azusa Nakano, Ritsu Tainaka, School Uniform, Blonde Hair, Quintet, K-ON!
Mio Akiyama, Happy, Yui Hirasawa, Tsumugi Kotobuki, Ritsu Tainaka, School Uniform, Four Girls, Female, Quartet, Bag, Uniform, White Background, Blue Eyes, Brown Eyes, Open Mouth, Ribbon, kakifly, K-ON!
Mio Akiyama, Yui Hirasawa, Tsumugi Kotobuki, Smile, Ritsu Tainaka, Closed Eyes, School Uniform, Blonde Hair, Female, Short Hair, Four Girls, Uniform, Sky, Skirt, Headband, K-ON!
Tsumugi Kotobuki, Blonde Hair, Female, Glasses, Ponytail, Solo, K-ON!
Tsumugi Kotobuki, Smile, School Uniform, Bag, Blonde Hair, Female, Solo, Blue Eyes, Braids, Cellphone, Phone, Skirt, Tie, Twin Tails, Uniform, Thigh Highs, Sitting, Open Mouth, kakifly, K-ON!
Mio Akiyama, Yui Hirasawa, Tsumugi Kotobuki, Azusa Nakano, Lin+, Band, K-ON!