1girl 2boys adjusting_another's_hair blurry border_operator_uniform_(world_trigger) casual chair depth_of_field faceless faceless_female faceless_male formal_clothes hand_up hands_up headphones headset highres hood hood_down hoodie indoors jacket kazama_souya kzmsnmjkk long_sleeves looking_ahead looking_at_another monochrome multiple_boys necktie pants short_hair sitting suit suwa_koutarou taketomi_sakurako twintails upper_body world_trigger