Part of Anime Tamago 2018.

A millennium ago, the Five Monarchs guarded the land of the Xia Dynasty with magical artifacts. Later, the leader of the Dragon Clan, Zu Long, assisted humanity by establishing the Yun Chui Empire. The Empire faces the Tranquil Ocean where the Xi and Black Water Clans have defended it throughout a peaceful millennium. Now, the waves are surging from below and chaos will rise once again.

June and Naomi are a pair of two attractive women who both work as radio station DJs by day, but when night falls they are elite counter-terrorism agents under the code name The Siamese Cats.