vocaloid
hatsune miku
mama (mama hiro)
1girl, afterimage, closed eyes, fellatio, handjob, hetero, looking at viewer, monochrome, numbered, object insertion, one eye closed, oral, penis, sketch, smile, testicle sucking, testicles, twintails, two-handed handjob, urethral insertion
bad id, bad pixiv id, photoshop (medium)