Yui Kirihara

Yui Kirihara is from The Soultaker Series and is the leader of a powerful corporation (The Kirihara Group). She orders her corporation to kidnap Runa, Kyosuke's sister. If she does this, an alien told her that he'll use his technology to bring her husband back to life since he died in a war. She doesn't care who she hurts or kills to bring him back.