![! 2girls 4koma >_< arihara_tsubasa arm_up bangs bkub blue_eyes blush bow brown_hair comic commentary_request emphasis_lines eyebrows_visible_through_hair green_eyes hachigatsu_no_cinderella_nine hair_bow hair_bun highres hug ikusa_katato long_hair multiple_girls necktie open_mouth pink_hair school_uniform shirt short_hair simple_background skirt smile speech_bubble surprised sweatdrop talking translation_request two-tone_background two_side_up wavy_mouth yellow_bow rating:s score:1 post #3060605](/cdn_image/preview/cc/96/cc96a7f6e8df44dd6bc82ec794383d5b.jpg)
Full original title: ハチナイ外伝 戦力外!カタトちゃん
Full English title: please add it here
Artist: bkub
Source
A series based on the smartphone game Hachigatsu no Cinderella Nine, following the antics of first-year high school student Ikusa Katato. Serialized on the smartphone game's official website from August of 2016.