The Invisible Stud Returns

After a lot of sex and perversion of Mie to his co-worker, The indivisibility potion is kept out of his control and was placed in a vault. But one day it was gone and ends on the hands of a little girl that then discovers the perversion that can take place on a convenience store restroom. Everyone is trying to figure out who is the other one who got the potion as Mie is investigating who is the one using it. When he founds out, he punished his new cute co-worker with a sexual satisfaction that she needed it.