User blog comment:뱀파이어 쿠키/Theory about Wearh of The Dragon/@comment-73.141.96.166-20160706114415/@comment-26933881-20160710135809

Never thought about it....

and never noticed that the red and blue dragon had somekind of a relation anyway, even if the blue dragon is not present in-game (only mentioned in Dragon's Tail description).....

This sounds intriguing