Naruto: Sasuke's Story-The Uchiha and the Heavenly Stardust: The Manga, Vol. 1 — Masashi Kishimoto

Sasuke Uchiha heads for the isolationist land of Redaku, where he'll need to infiltrate an astronomical observatory that's being operated as a prison for deadly criminals. There he rendezvouses with none other than his wife, Sakura, and together they dive into an undercover investigation in search of traces of the Sage of Six Paths! With danger lurking around every corner, what fate will lie in store for the ninja couple?