Tenchi Souzou Design-bu EP6 - Idea 6

Out of gratitude for their work, God decides to arrange a company vacation to Galapagos. While they are enjoying the hot springs and the banquet, a bloody Mercury is found. Jupiter, the self-named eats-himself-broke detective, claims that the perpetrator is definitely amongst them and sets off to find them... The key to solving this mystery is the order Venus is working on, an "animal where the male breastfeeds"?!