Princess Jellyfish volume 3 collects volumes 5-6 in an omnibus format and features story and art by Akiko Higashimura.

Tsukimi Kurashita has loved jellyfish from a young age. She resides in Amamizukan, a fangirl only-dorm. One evening, at the local pet store, Tsukimi sees a lovely jellyfish in danger! Thankfully, a beautiful woman comes to the rescue. They go back to Amamizukan together, but this “woman”…is actually a man!