Jojo's Bizarre Adventure: Part 6--Stone Ocean, Vol. 2 (Hardcover) (manga)

Jotaro arrives to break Jolyne out of jail, but they fall right into the enemy’s trap, leaving father and daughter to fight for their lives inside a dream while their real bodies are being dissolved. Then, their unknown enemy steals Jotaro’s Stand and memories, effectively putting him in a state that might as well be death. But there’s hope! Ermes discovers that someone is storing memories and Stands in discs, and she and Jolyne volunteer for a search-and-rescue mission to find her father’s discs!