As a gift for Hell's celebratory party, God orders the designers to come up with
"an animal that can be used in Hell's attraction and also sent to Earth".
Yokota's idea of making it something that "surprises angels" is also tacked on,
which really puts the team's abilities to the test...
The Illustrated Guide to Creatures 
That Really Exist!
!الدليل المصوّر للمخلوقات التي توجد حقّاً
Das gibt’s echt!
Bilderbuch der Lebewesen!
Guía de criaturas que sí existen
Guía de criaturas que sí existen
Guida illustrata degli animali
che esistono davvero
Guia ilustrado de criaturas que,
por algum motivo, existem!
Энциклопедия реальных животных!