"Ahh, I'm so bored. If I don't find something to do, I'm going to die..." said Yukari Yakumo as she gazed at the pottery she secretly borrowed from Kourindou.

For that character who was so free to kill time, the countless nights and dreams said to be woven and collected from the present world's bedroom were closed off.

"What is this mist?" "Oh, you're right. What on Earth..."

Before they knew it, the inhabitants of Gensokyo, the outsiders who occasionally visited... everyone who inhaled the overflowing fog began to walk toward the bedroom with blank eyes.

Good night. This is the story of the girls who were invaded by the present world.