The opening shows the various members of the design team showcasing various animals.
Shimoda, a newly-hired angel is to be the communications liaison between the team and God. (He looks like a young salaryman, with a hint of dishevelment.)
The crew has another person who's only interested in how the animal looks and another who only cares about how it tastes. I haven't seen their names yet though.
Anyway, the client approves, and the Giraffe is born.
Ueda was called away on a sudden business trip. Hell is, of course, other contractors. (Tell me about it.)
When she returns, she brings Yokota, who has design requests from Hell. He liked the multiplying pandas and would like the team's help designing zombies.
Shimoda tests a device that let's him experience animal society. The society of the Naked Mole Rat, that is. (Approved!)
A request for a regenerating animal leads to a discussion of how aging helps animal populations and the creation of the Immortal Jellyfish. (Approved!)
God wants an animal suitable for Earth and Hell, that surprises even the angels.
The team considers dusting off the Tyrannosaurus, but goes with the Superb Lyrebird, whose mimicry makes the team think God is watching over their shoulder.
Kanamori accidentally designs the Kiwi while trying to make the last bird-like bird possible.
The team get an impossible request:a creature that doesn't sink, is immune to extremes of heat an cold, requires very little water, and can stand on painful ground.
Wanted: animals with cool weapons.
Tsuchiya tries to invent the Unicorn.
It gets osteoporosis from using all its calcium on the horn.
Kimura's Elk is much mor effective, due to its multiple stomachs increasing nutrition absorption.
You'd do much better if it was on a cow.