1girl blue_eyes brown_hair chuunibyou_demo_koi_ga_shitai! collared_shirt derivative_work green_shirt hair_between_eyes long_sleeves looking_at_viewer mugen_ouka no_image pixiv portrait shirt short_hair solo tsukumo_nanase vector_trace white_background  1girl absurdres arm_up blue_eyes brown_hair chuunibyou_demo_koi_ga_shitai! flag highres official_art tsukumo_nanase zoom_layer  6+girls back chuunibyou_demo_koi_ga_shitai! dekomori_sanae from_behind highres multiple_girls nibutani_shinka simple_background takanashi_rikka takanashi_toka takanashi_touka togashi_kuzuha togashi_mother togashi_yumeha togashi_yuuta's_mother tskanashi_rikka tsukumo_nanase tsuyuri_kumin