Rei aspires to become a famous film director, but his ordinary high school life gets thrown into chaos after he unexpectedly encounters a buxom adult film actress. Not only does his favorite porn star develop feelings for him, she also acquires the ability to grow to colossal proportions! Could extraterrestrial technology be responsible? Is it time travel? Or perhaps the apocalypse? A wide variety of bizarre troubles await, and a gigantic, beautiful woman is only the beginning of the madness.