IF

 is an Action Webtoon Original created by Keon Tan; it updates every Sunday.

Synopsis
''Hiroshi is shocked when he finds out that his imaginary friend, Enigami, isn’t so imaginary after all! Then he realizes his beastly companion can battle it out with other kids’ imaginary friends, and things start to get even stranger. But when these playground games turn serious and kids start disappearing, Hiroshi realizes that the consequences here might be more real than he first thought...''