Three years ago, Edge of Destruction was made, but the adventure is not over. New alpha is awakening in this brand new story. For the very first time, the animated full background story of the origins of Alphas at very beginning. Wind Killer, a beautiful girl lives double lives. All she wants to do is taking revenge for her sister. At the end she finds out the situation is way too complicated than she thought...

風煞，一個擁有雙重身份的美麗女子。為了替妹妹報仇，她不惜付出任何代價。但最後她發現了事情卻不是她所想像的那樣....《裂合邊緣》故事創於三年前，故事隨著新角色而有了更多陸續的精彩進展。而這也是首次故事將會到了鬥爭的最起點...