Everyone thought Haruhi was the only child....
But the truth behind...
Is that when Fujioka,Kotoko accepted a case and been targeted among one of the deadliest organization....
Her twin was lost along with the death of her mother when she was 5 yrs. old.
Now, 10 years has gone by....
The other twin finally appeared out of nowhere.....
But is she the one Haruhi had known?
What will the host club think of her?
Find out the story of...