safebooruhttps://safebooru.org/index.php?page=atom&tags=1boy black gloves blue hair blue pants book closed mouth commentary disappointed dr. ratio (honkai: star rail) gloves hair between eyes honkai: star rail honkai (series) kanapy looking at viewer male focus math muscular muscular male open book pants pectoral cleavage pectorals rubber duck short hair simple background sitting solo symbol-only commentary yellow eyes2024-05-16T16:32:30Zsafebooru