Daphne in the Brilliant Blue: Vol.4 (2004)

Nereides' sexy female agents will take on any job for the right price, no matter how dangerous or demanding. But they first have to fight off the infamous crime family, the Wong Chang Lee brothers, out for revenge against Nereides for getting them arrested. Then, a mission to find a runaway boy with a broken heart takes Maia to Siberia City again, where she gets caught up in a conspiracy involving the world's richest man, high-tech terrorists, and other branches of the Nereides organization.