safebooruhttps://safebooru.org/index.php?page=atom&tags=1boy 1girl april fools blue eyes brother and sister castor (fate) chibi fate/grand order fate (series) highres holding holding sword holding weapon laurel crown medium hair official art on shoulder pollux (fate) riyo (lyomsnpmp) short hair siblings sky star (sky) starry sky sword weapon2024-05-28T17:04:48Zsafebooru