yukiyuzen said: anko#### tag might be wrong. It looks like a 1578 to me, but it could be 1378.
It is anko 1378, "Cute Child". It's a short ficlet/vignette where anon, for shits and giggles, stuck koyukkuri on the inner rim of the car. According to anon, the sight of miserable yukkuri, and their squeals of anguish as he drove off, is cute.