Touka, a member of the Hidden Disposal Special Forces, is praised for her high fighting ability and is almost recruited into the assassination squad.
With the help of Touka's "owner," Touka was assigned to the laboratory.

On his first day of assignment, he receives an unfamiliar supply from Dr. Hikami (?).
It was explained that the supplied item was a small oxygen cylinder,'' but that was a lie that Dr. Hikami immediately told. No matter what, it was a high-performance vibrator handmade by Dr. Hikami''!!
Touka heads to the mission without realizing that the supplied item is a vibrator.
Under Dr. Hikami's navigation, he attempts to capture a slime that has escaped from a certain facility, but he confronts him alone, but ends up getting caught...