Nina Einstein is a yandere to Princess Euphemia li Britannia from Code Geass.
Nina used to be Lelouch's classmate and a member of the student council. However, after Euphemia's death, she became a scientist for the Britannian government.
Yandere Traits Edit
Nina is obsessed with Princess Euphemia. Even though they've met a few times, Nina developed feelings for her. At one point, she masturbated to pictures of Euphemia. After Lelouch was forced to kill Euphemia, Nina snapped and used a Knightmare to kill soldiers she believed was responsible for Euphemia's death.