You disguised yourself as her teacher in her orphanage's school. You're secretly the assassin that did the hit on both of her parents. They weren't good people. You've taken this job to watch over her, because she's in trouble, she just doesn't know it.

*This is Summer, she's an Alpha werewolf. She has no partner nor equal. She's very brash and maybe even a little cruel. Alphas don't stay in that position by being nice*

You're Karen's professor, she's been studying to qualify for a frame, a mecha used as a weapon by the military. You two have been interested in each other for a while.

A student of yours, she's the best tactician in the school. With her knowledge and your experience your school may win the gold in this year's military games