His Test Subject : Naoki x reader

Y/n is Valt's secret older sister. The only people who knows about her is Shu, and Xander. To other people she was weird, and an out cast, so she hardly had any friends. The only friend she had was Valt. But as she got older she meet some people she can call friend. She is picked to go to the most important, smartest, and best college in the other side. She left and comes back. But what happen when she meet's a light blue haired guy that's all up for science? Will be break her heart or keep it forever?