birchboat, greyy (arknights), greyy the lightningbearer (arknights), arknights, absurdres, highres, 1boy, animal ears, barefoot, bdsm, blindfold, bondage, bound, bound wrists, brown jacket, brown pants, cuffs, dog boy, dog ears, dog tail, gagged, goggles, goggles around neck, jacket, male focus, no shoes, pants, parted lips, saliva, shackles, short-sleeved jacket, short sleeves, soles, sweatdrop, tail, teeth, tickling, tickling feet, trembling, tube