The Spy: Kamakichi can be found in Saika market in Kii during the day and specifically at the Monk Houses during the night. Killing him during the day is easier, so we suggest killing him then. You ...

At the mansion, hop onto the roof of the building where she is sitting. She is being guarded by three Shinobi. You can take all of these out with Kunai, using the roof to regain stealth when they lose ...