Rainbow Dash gets a call from Twilight inviting her to one of her laboratories she's definitely never seen before. Inside, she finds an "energy drink" left by Twilight as an apology for missing her. The taste is new and refreshing! Not to mention, it works like a charm.

But, she's quick to realize that this drink has some surprise side effects. Ones she my not be too happy about, but someone else will enjoy.

Commission for Superfun
Contains: Potion induced futanari, hypnosis by way of phallic object, nefarious plans