K-On!

平沢唯

Yui Hirasawa (平沢(ひらさわ) 唯(ゆい), Yui Hirasawa) is the main protagonist in K-ON!. She is also the air-headed lead guitarist and vocalist of the Ho-kago Tea Time.

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秋山澪

Mio Akiyama (秋山(あきーやま) 澪(みお), Mio Akiyama) is one of the five main characters in K-ON! She is a passionate and technical left-handed musician and writer who serves as the bassist, second vocalist and main lyricist of the band Ho-kago Tea Time. She is a kind and warm girl, albeit very shy and sensitive. Despite her timid streak she often finds herself as the voice of reason amongst her bandmates, who often rely on her sensibility when in trouble.

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中野梓

Azusa Nakano (中野(なかの) 梓(あずさ), Nakano Azusa), nicknamed "Azu-nyan" (あずにゃん, "Azu-nyan") by Yui Hirasawa, is a main character in the K-ON! series. She is a second year student at Sakuragaoka High School. She decided to join the Light Music Club after seeing the band's performance in the school festival and thus became Ho-kago Tea Time's second guitarist. After the senior members graduated, she continued the club and became its new president. She became the main guitarist and main vocalist of the new band, Wakaba Girls.

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琴吹紬

Tsumugi Kotobuki (琴吹(ことぶき) 紬(つむぎ), Kotobuki Tsumugi), otherwise known as Mugi (むぎ) is one of the 5 main characters in K-ON! She is a wealthy, cheery, cute girl with a gentle personality who plays the keyboard and is the main musical composer in the band Ho-kago Tea Time.

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田井中律

Ritsu Tainaka (田井中(たいなか) 律(りつ), Ritsu Tainaka), called Ricchan (りっちゃん, Ricchan) by Tsumugi Kotobuki and Yui Hirasawa, is one of the 5 main characters in K-ON!.

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山中さわ子

Sawako Yamanaka (山中(やまなか) さわ子(さわこ), Sawako Yamanaka) is the music teacher of the Sakuragaoka High School and one of its alumni. During her high school career, she was a member of the Light Music Club and founded the rockband Death Devil with her friends Norimi Kawaguchi, Della and Jane, where she was a guitarist also the main vocalist of the band.

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平沢憂

Ui Hirasawa (平沢(ひらさわ) 憂(うい), Ui Hirasawa) is Yui Hirasawa's younger sister who becomes the rhythm guitarist of the Light Music Club's band Wakaba Girls during her senior year of high school.

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真鍋和

Nodoka Manabe (真鍋(まなべ) 和(のどか), Nodoka Manabe) is Yui Hirasawa's childhood friend and initially a member of the Sakuragaoka High School's student council until she becomes its president later.

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鈴木純

Jun Suzuki (鈴木(すずき) 純(じゅん), Jun Suzuki) is Azusa Nakano and Ui Hirasawa's classmate and later the bassist of the Light Music Club's band Wakaba Girls.

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曽我部恵

Megumi Sokabe (曽我部(そかべ) 恵(めぐみ), Megumi Sokabe) was formerly both the president of Sakuragaoka High School's student council and (secretly) the president of the Mio Akiyama Fan Club. Nodoka Manabe succeeds her in both roles after Megumi graduates (reluctantly in the latter case). Megumi is revealed to have been stalking Mio towards the end of her third year, but only because she would miss Mio once she graduated, since she adores her. The Light Music Club gave her a private concert as a graduation gift, which she said she enjoyed after pretending to berate the club for using the auditorium without permission.

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