Urusei Yatsura Movie 4: Lum The Forever

Synopsis:

The gang from Tomobiki has dealt with a lot of strange things in the past, but they may finally have met their match! They have been called to Mendou’s estate to create an independent film with a giant cherry tree as a background, but as the work begins, strange things begin to occur. Everyone’s memory begins to fade, Lum starts to lose her powers, and for the first time ever Lum’s Stormtroopers are looking at other women! As the day continues, they begin to question the meaning of their lives, as they try to get to the bottom of what is going on in their town.