It all started when the cute maknae posted a selca on his Instagram on December 26 and wrote, "I am always radiating light. I do not want to lose that light."
However, seeing this, Hoya commented, "More than the light, you're going to lose your fans," and Dongwoo commented, "I want to turn that light inside out and turn it into a chip ~.~," as a play on words by flipping the Korean word around from "light" to "chip" in spelling.
Other members took it one step further. Woohyun parodied Sungjong's post by taking a selca of himself and posting it on his Instagram with, "Light radiates from my nose."
Sungyeol also took a selca of himself, but the light was so bright that his face could barely be seen. He parodied Sungjong's post with the message, "I also radiate light, too much light. I should get rid of some."
Ohhh INFINITE. And poor Sungjong!