1boy absurdres black_hair blue_one-piece_swimsuit blush bulge coat covered_navel earrings gold_earrings grin hair_ornament hairpin highres jewelry looking_at_viewer male_focus mashiro_(nijisanji) mkr_nk navel nijisanji off_shoulder one-piece_swimsuit open_clothes open_coat otoko_no_ko pantyhose school_swimsuit short_hair sleeves_past_fingers sleeves_past_wrists smile solo swimsuit virtual_youtuber yellow_eyes yellow_pantyhose