Shizuna Minamoto

Negi039s advisor at Mahora Gakuen. She primarily attempts to be a motherly figure while Negi adjusts to the school slowly leading him into the different aspects of his job. In both the manga and anime she is aware of magic. She and Takahata were rumored to have been dating however later additions to the story suggest that they are not. She is also noted for her impressive bustline 99cm. From Wikipedia