[Crash Ichimonji]

Having trouble looking for a teleporter-caused TF manga from a while back.

The title of the one-shot (or maybe it was just one of several chapters?) and its artist escape me, but here's what I DO remember:

It took place in some laboratory belonging to a female mad scientist (long dark/black hair, glasses, good figure) who had a female assistant (short light/un-toned/blonde hair, good figure) that she sent into a teleporter to try out the teleportation process (or so it seemed). Just as the chamber closed the assistant found that a cat was inside too and tried to get out before the machine activated (pleading to her superior from within) and the result leaves the assistant as a mostly human catgirl (naked when she walks out, perhaps naked when she went inside too). Turns out this was the intent of the female mad scientist and she reveals that she had already done something similar to herself. The female mad scientist reveals that she has a horse cock now from teleportation-fusing a stallion with herself. Horsecock futanari on catgirl sex happens and the last panel shows that the assistant managed to get her superior to reverse the process on them both and separate the cat from her and the male horse from the mad scientist woman. The TF was a poof (or 'zap' in this case), so no process, but damn was it hot.