An ordinary student with his unexpected Magical Girls Harem.

Hyu Yueng is a Vietnamese high school student who has been given a scholarship to enter one of the most famous and richest schools in Japan - "Hanazora".
His dream is to become rich one day. Therefore, he gets this opportunity as his turning point. The fastest way is to inherit money from wealthy family.
Fortunately, the first day coming to Japan, he helped a girl get back her purse from the thief. Then, he met her again in the school ceremony, as he was chosen to be the representative to do the welcome speech.
His popularity is raising due to his good-looking appearance and incredible physical strength and outstanding intelligence.
And the girl approached again, then offered him a contract.
"Seduce her twin sister, teach her what love is, then dump her."
He was shock when she told him. However, he still agreed since he would be given 50.000USD if he succeeds.
But that not all, when he knows the twin sister's secret that "The twin sister is a Magical Girl."
What will you expect this to be an ordinary high school's life story.!?
You're wrong. This is about Magical Harem Story that you have never experienced in your entire life before.