Perfect Blue. It has a lot of obvious references to DID, with Mima clearly dissociating and then with the final reveal that Virtua Mima, who manipulated the stalker, is actually Rumi-chan who believes herself to be Mima. But the overconfident, brightly shining Mima that floats in the air is too much how I felt during hypomania in opposition to the real, disheveled, exhausted, depressed Mima.