nekotamago,houseki no kuni,cinnabar (houseki no kuni),1other,ahoge,androgynous,bangs,colored eyelashes,commentary request,crystal hair,dark background,gem uniform (houseki no kuni),glowing,glowing hair,hair between eyes,highres,long bangs,looking at viewer,mercury (element),necktie,red eyes,red hair,sad,short hair,solo,tears,upper body