safebooruhttps://safebooru.org/index.php?page=atom&tags=1923rash 1girl 2boys aqua shirt aventurine (honkai: star rail) black gloves black shirt black swan (honkai: star rail) blonde hair blue hair blue jacket book bracelet closed mouth clothing cutout collared shirt dr. ratio (honkai: star rail) earrings fur trim gloves hair between eyes highres holding holding book honkai: star rail honkai (series) implied yaoi jacket jewelry long sleeves looking at another male focus math multiple boys necktie pectoral cleavage pectorals red eyes shirt short hair sitting table violet eyes yellow necktie2024-06-04T03:56:47Zsafebooru