Board Thread:General Discussion/@comment-26529154-20160209144808/@comment-5346296-20160311220750

KieRor098 wrote: My Theory: YanDev stated he doesnt know the fun.txt girl. And he stated that YanChan has no sister. But... what if it IS YanChan's sister? Just... erased? We know YanDev lies. Like the "normal update". So please give a 10/10 and belive in the theory. 3/10

My theory is that she's just an easter egg.