Gorō Mutsumi, a man plagued by bad luck. One fateful day he crosses paths with a fortune teller who tells him his luck will soon change. Soon after 3 Guardian Angels appear, Ran, Tsubasa, and Kurumi. It's soon discovered that Gorō knows these women from their past lives as various animals he has helped. They have been reincarnated by the Goddess to help and watch over him
動物が大好きで心優しいが、とにかくツイていない青年、睦悟郎。
謎の女占い師に「ツク」ことになる、と予言された夜、風呂上りの悟郎の前に現れたのは3人の美少女!
自ら守護天使と名乗る彼女達は悟郎の身の回りの世話を始めるのだが、失敗ばかりしてしまう。
少女達に戸惑いつつも、アルバイトの面接に出かける悟郎だったが…。