The available materials for "Fujun Isei Kōyū: Taisetsu na Kimi e" reveal no concrete details about a character named "AI." The OVA's plot centers on a brother and sister navigating past trauma alongside a domineering female figure at school, yet provides no specific information regarding "AI." Character names, backgrounds, and developments remain unaddressed beyond this general premise, leaving "AI" without substantive description.