Segment lengths are 7 seconds unless otherwise stated.

All prompts have an additional common instruction "The camera does not move." added to them.

Pre-transform:
2 segments of:
The man and female are having sex in the chair position. The man is thrusting up in and out of the female very slowly, taking long strokes. The female slowly lowers and raises herself on the man's penis. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail.

1 segment of:
The man and female are having sex in the chair position. The man is thrusting up in and out of the female quickly with long, deep strokes. The female slowly lowers and raises herself on the man's penis. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail.

Transform:
1 segment of (2 seconds):
The man and female are having sex in the chair position. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail. The female opens her eyes in surprise, then begins to glow.

1 segment of (2 seconds):
The glowing light steadily expands, then contracts into a new form.

1 segment of (2 seconds):
The glowing light fades, revealing an Umbreon.

Post-Transform:
1 segment of:
The man and female are having sex in the chair position. The man is thrusting up in and out of the female quickly with long, deep strokes. The female quickly lowers and raises herself on the man's penis. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail quickly.

2 segments of:
The man and female are having sex in the chair position. The man is thrusting up in and out of the female extremely quickly with short strokes as deep in her vagina as possible. The female quickly lowers and raises herself on the man's penis, taking him as deep as possible. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail quickly.

2 segments of (3 seconds):

The man and female are having sex in the chair position. The man thrusts up, pushing his penis deep into the female a single time, keeping himself hilted inside them to the maximum possible extent. At the same time, he pulls the female down on top of his penis as far as they will go. Once hilted, the man stops moving entirely. The man does not move backwards at all. The female slams herself down on the man's penis, taking him as deep as possible. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail extremely quickly.

1 segment of (4 seconds):

The man and female are having sex in the chair position. The man thrusts up, pushing his penis deep into the female a single time, keeping himself hilted inside her to the maximum possible extent. At the same time, he rapidly pulls the female down on top of his penis as far as she will go. Once hilted, the man holds the female down on his penis, keeping it as far inside her as possible. The man 's balls pulse and the female's vagina quivers around the man's penis. The man and female are passionately and deeply kissing. They explore each other's mouths with their tongues, keeping their mouths locked together. The female wags her tail extremely quickly.

Cum:

The male and female are having sex in the chair position. The man lifts the Umbreon back up, revealing white liquid on his penis. White liquid runs down the penis. The female keeps her eyes closed. The female wags her tail vigorously.

The camera is from the man's point of view. The camera does not move.