Ouri, an aspiring girl, only dreams of tying the knot with a man who can safeguard her, just as her father protected her mother. However, when she declines an arranged engagement to an unknown man, her mother compels her to enter Clover Academy, where she can find a plethora of potential fiancés. Gossips about her propagate rapidly around the campus, attracting hoards of boys towards her.
In the midst of this turmoil, Ouri finds herself in a difficult situation, but a rescuer comes to her aid unexpectedly. He is Night, the "Meteorite Guardian," who now has a contract with Ouri to shield her.
