Haruhi's Twin Sister

Kotoko ( haruhi's mom ) had a little secret, She loved another. When she became pregnant she couldn't be sure if it was her other lover or her soon to be fiance Ryoji. She told her other lover and he demanded one of the children, her and Ryoji had to give one up to this man. He was very wealthy, and had many 'friends'. So it was either give him one child, or kotoko and Ryoji would end up dead after birth and he would have both. Haruhi was never told she had a sister, neither was the other child named siu. When they meet, what will happen?

High school host club is not my own invention it's Bisco Hatori, But I just like to change up the characters and plot.

The picture on the front of the book is not mine, I got it from google.