OVA Series/TM! GXP
As the Headmaster of both the Galaxy Academy and the Galaxy Police Academy, Airi's job is to mold students or cadites into there perspective fields. But, because she's Tenchi's Grandmother (on the Mother's side), she has given more attention to Seina. She has two daughters, Minaho and Kiyone, and loves it when family drops by. However, it best be wise to never call her Grandmother, remember that!