back-to-back black_footwear black_gloves black_pants blue_eyes boots brothers brown_hair cloud full_moon fur_trim gloves hand_in_pocket highres holding holding_knife holding_polearm knee_boots knife kuto_(kuroto) long_hair male_focus mikhail_(sirius) moon multicolored_hair multiple_boys night night_sky pants pocket red_eyes red_moon scar scar_across_eye siblings sky standing tenrou:_sirius_the_jaeger two-tone_hair white_hair yuily_(sirius)