A squadron composed of young witches. The name of the group is Impressions!
They are fighting with various organizations that commit evil acts day and night.

"Now their enemy is the organization that constantly commits rape and sexual assault, Dirtys!"
"As the fighting power of Dirt's was weakening due to the many losses in the battle with Impressions, "
the impressions were suddenly put into a desperate situation.
Because a few civilians and 4 out of 5 members were taken, hostage.

"Only Impression Red, a leader of the team avoided the capture due to doing the different
task at that time."
With the cooperation of HQ,
" she gets into the ruins of the old castle and the surrounding city"
where Dirt's secret headquarters is to help people who got captured.