Pandora in the Crimson Shell: Ghost Urn Vol. 18 (manga)

Now that the Bydo virus has been removed from Phobos’s system—and with it, Labrys’s brainwashing—Phobos faces Clarion again to try and regain the peaceful life she once had. Meanwhile, Poseidon’s evil tendrils are creeping closer and closer to the Korobase estate!