Ultraman Tiga: S1 E29 - A Whiter Shade Of Pale Ultraman Tiga

Shinjo has changed ever since his accident during the test flight, becoming strangely obsessed with the popular pop star Maya Kurusu. It turns out that an alien actually took residence in his body when the accident occurred and that alien is trying to get back his younger sister Maya who was left behind on Earth 15 years ago...