JoJo's Bizarre Adventure: Part 6 - Stone Ocean 4 Books Collection Set (Vol 6-9):

JoJo's Bizarre Adventure: Part 6--Stone Ocean, Vol. 6:
Pale Snake has F.F. on the ropes when Weather Forecast comes to their rescue. The pair narrowly escape and are able to meet up with Jolyne and Anastasia, but their relief is short-lived when sudden tragedy strikes! The time to escape from prison and track down Father Pucchi has come, with Jolyne, Ermes, and Emporio planning to go one way while Weather Forecast and Anastasia go another. But Jolyne is attacked by the lead guard, Mew Mew, whose Stand, Jailhouse Lock, causes Jolyne to be able to remember only three things at a time. She keeps writing notes for herself as she struggles to get free of her attacker, but then Mew Mew suddenly shoots Emporio! Will Jolyne be able to escape the prison?! And what of Anastasia and Weather Forecast on the outside?

JoJo's Bizarre Adventure: Part 6--Stone Ocean, Vol. 7:
Weather Forecast and Anastasia are at the mercy of Bohemian Ecstatic, a Stand with the ability to bring fictional characters in paintings and drawings to life! But Weather Forecast has a genius plan to stop the mysterious Stand user by fighting fiction with fiction! Meanwhile, Jolyne and her group are headed toward the Kennedy Space Station chasing after Father Pucchi, but first she needs to make a quick stop at an old ex-boyfriend’s place. The group continues to converge on Father Pucchi, who has new allies of his own—those he has dubbed the sons of DIO, and new enemies that Jolyne and her friends must face as they jump right into the evil priest’s trap.

JoJo's Bizarre Adventure: Part 6--Stone Ocean, Vol. 8:
Weather Forecast’s memories have been restored, and he is not happy. He unleashes his full power against Pucchi and Pale Snake, but others are caught in the crossfire of his attack. Can Jolyne and the rest of her friends reach the two men unscathed? Weather Forecast seems to have Pucchi on the ropes though, and it finally looks like his good fortune has run out, but the bad priest won’t go down easily—not when he is so close to reaching Heaven.

JoJo's Bizarre Adventure: Part 6--Stone Ocean, Vol. 9:
After having narrowly escaped from Weather Forecast, Pucchi finally reaches the Time for Heaven and unlocks the Stand Maiden Heaven. Both the Stand and Pucchi himself fight with what is close to godlike, universe-destroying power. Can Jolyne and her friends manage to stop the evil priest once and for all? Don’t miss the thrilling conclusion of JoJo’s Bizarre Adventure Part 6: Stone Ocean.