2boys back-to-back badge bangs black_gloves black_hair blonde_hair closed_mouth coat commentary_request copyright_name cube gloves glowing glowing_eyes glowing_sword glowing_weapon grin hair_between_eyes holding holding_sword holding_weapon izumi_kouhei karasuma_kyousuke long_sleeves looking_at_viewer male_focus multiple_boys orange_eyes outstretched_arm pants shade smile sword tachikawa_squad's_uniform veins weapon wolfina world_trigger zipper