1girl akihime_sumomo blush brown_hair cowboy_shot full-face_blush game_cg hair_ribbon height_difference itou_noiji long_sleeves looking_at_viewer nanatsuiro_drops necktie parted_lips pink_hair plaid plaid_skirt red_skirt ribbon shirt short_hair skirt tall thighhighs tsuwabuki_masaharu white_shirt yellow_shirt zettai_ryouiki