1boy, bad_pixiv_id, black_headwear, blue_hair, chrono_cross, dark_serge_(chrono_cross), hair_between_eyes, hat, looking_at_viewer, male_focus, medium_hair, military, military_uniform, muscular, muscular_male, open_collar, pectorals, purple_eyes, signature, skull, solo, uniform, upper_body, white_background, yasshan