4girls black_hair bonjin brown_eyes brown_hair chalkboard death_devil della_(k-on!) jane_(k-on!) juice_box k-on! kawaguchi_norimi long_hair multiple_girls ponytail school_desk school_uniform short_hair teenage yamanaka_sawako young  4girls brown_hair death_devil della_(k-on!) fukutarou_(enji127) jane_(k-on!) k-on! kawaguchi_norimi long_hair multiple_girls red_eyes short_hair yamanaka_sawako  black_hair blonde_hair bottle brown_hair character_request death_devil della_(k-on!) extra flying_v fukutarou_(enji127) gibson guitar instrument jane_(k-on!) k-on! kawaguchi_norimi kawakami_(k-on!) long_hair mihoko_(k-on!) multiple_girls ponytail school_uniform short_hair sleeves_rolled_up teenage yamanaka_sawako young  blazer blonde_hair brown_eyes brown_hair death_devil della_(k-on!) extra glasses hand_in_pocket hatasuke jane_(k-on!) k-on! kawaguchi_norimi long_hair looking_back red_hair redhead school_uniform short_hair skirt teenage wavig waving yamanaka_sawako young  brown_hair concert crowd death_devil della_(k-on!) dress from_behind from_below guitar high_heels instrument k-on! kawaguchi_norimi long_hair shoes thighhighs yamanaka_sawako  blonde_hair brown_eyes brown_hair death_devil della_(k-on!) ginga_(real_luck_zero) jane_(k-on!) k-on! kawaguchi_norimi long_hair multiple_girls no_glasses skirt yamanaka_sawako  belt choker cover crossed_arms death_devil della_(k-on!) earth extra fire highres horiguchi_yukiko jane_(k-on!) k-on! kawaguchi_norimi miniskirt no_glasses official_art pantyhose scan skirt skull sleeves_rolled_up thighhighs yamanaka_sawako  brown_eyes brown_hair death_devil death_devil_bassist della_(k-on!) extra highres instrument_case k-on! kneehighs kogal legs long_hair loose_socks school_uniform skirt socks sweater_vest tachibana_himeko time_paradox waving yaso_shigeru  \m/ bag blazer brown_eyes brown_hair comparison death_devil death_devil_bassist della_(k-on!) extra glasses k-on! photo_(object) school_bag school_uniform tachibana_himeko teenage yamanaka_sawako young  \m/ bag black_hair blazer brown_hair character_request death_devil death_devil_bassist death_devil_drummer della_(k-on!) extra glasses jane_(k-on!) k-on! kawaguchi_norimi mizuki_makoto multiple_girls school_uniform skirt teenage yamanaka_sawako young