Katsumi: Underground by RedCloudGoddess

Katsumi Uchiha is the younger sister of Sasuke and Itachi Uchiha. She was forced to work under the likes of Orochimaru, along with fellow medic-nin, Kabuto. She had always regretted fleeing the Leaf, turning her back on her friends and mentors. What she also regretted was becoming attracted towards a certain male in which he felt something more, without the knowledge of her brother

243505 words in 30 chapters

requested 2021-04-08 15:41 UTC

source: https://www.fanfiction.net/s/12015476/1/Katsumi-Underground