Long ago there was a war in Heaven which resulted in Judas and Luca – two of the six specially-chosen, talented and strong Saint Beasts – being cast out and imprisoned in Hell for leading the rebellion. But before that Heaven had been a peaceful place where the angels happily lived their lives. In this time, Judas, Luca, Goh, Shin, Rey and Gai are adolescent angels in Heaven who, on the day of Benediction, are made into adults by the supreme god Zeus. With each of the six having their own special abilities and new adult bodies to get used to, opportunities to meet each other arise and new friendships are formed.

很久很久以前，天界是一个充满光明和快乐的家园。天使尊重天神，天神疼爱天使。不久前，从父亲手中夺下众神之神宝座的宙斯开辟了一个全新时代，在他德隆重册封下，“青龙”刚（森川智之 配音）、“白虎”凯（吉野裕行 配音）、“朱雀”零（宮田幸季 配音）、“玄武”真（櫻井孝宏 配音）“麒麟”犹达（石田彰 配音）和“凤凰”路卡（緑川光 配音）相继晋升为圣天使，天界实现空前的和平。但是一段时间过后，沉溺快乐的部分天使选择堕落。以遭受凌辱的潘多拉（福山润 配音）为发端，犹达请求宙斯惩罚堕落的天使，天界的和平开始慢慢崩塌……