hiiragisensei, akiyama mizuki, 25-ji nightcord de. (project sekai), project sekai, absurdres, highres, 1boy, arms up, bdsm, blush, bondage, bound, bound wrists, bow, bow panties, bulge, long hair, looking at viewer, lying, male focus, navel, nipples, on back, open clothes, open mouth, open shirt, panties, pillow, pink hair, restrained, rope, school uniform, shirt, solo, thighhighs, tied up (nonsexual), trap, underwear