Among all of the BTS members, the golden maknae of the group, JungKook, has a head that is closest to this particular shape.
Netizens of a popular online community in South Korea have been talking about just how perfectly round JungKook's head is especially from certain angles. In fact, his head in some angles makes a perfect circle.
Some fans have described his head as a "bowling ball', because it seems to be too perfect of a sphere.
You can check out some of the photos and clips below.