safebooruhttps://safebooru.org/index.php?page=atom&tags=2boys black hair brothers brown hair closed eyes facial hair facing another green jacket grey jacket grey shirt hand holding hand on another's head highres jacket kb illustration long sleeves male focus mountainous horizon multiple boys nanba hibito nanba mutta night night sky outdoors pants shirt siblings sky standing star (sky) starry sky stubble twitter username uchuu kyoudai2024-05-03T00:03:40Zsafebooru