1girl 2023 artist_logo b&t_apc bag black_socks blue_eyes blue_hair blue_ribbon brown_footwear brown_jacket character_name dark_blue_hair full_body gun hasu_no_sora_school_uniform highres hiroki_ree holding holding_bag jacket link!_like!_love_live! loafers long_hair looking_at_viewer love_live! low_twintails murano_sayaka neckerchief parted_lips red_neckerchief red_serafuku ribbon sailor_collar school_uniform serafuku shoes simple_background socks solo submachine_gun twintails waving weapon white_background white_sailor_collar winter_uniform