lingxiankong1, chara (undertale), sans (undertale), undertale, utdr (toby fox), xtale, chinese commentary, commentary request, highres, 2boys, :d, aegyo sal, alternate universe, antenna hair, black collar, black sclera, black sweater, blue eyes, blush, chromatic aberration, clenched teeth, collar, colored sclera, colored skin, eye contact, facial mark, fur-trimmed jacket, fur trim, grey background, grin, hair over one eye, half-closed eyes, halftone, halftone background, hand on another's neck, hand up, heart, heterochromia, holding, holding leash, hood, hood down, hooded jacket, inset border, jacket, leash, long sleeves, looking at another, male focus, multiple boys, one eye covered, open clothes, open jacket, open mouth, red eyes, short hair, simple background, skeleton, smile, sparkle, sweater, teeth, turtleneck, turtleneck sweater, upper body, white eyes, white hair, white jacket, white skin