Original Characters (OCs)
Protagonist: Uchiha Chen
Background: The protagonist. A transmigrator from the real world who was reborn into the Naruto world. He was born in the Land of Lightning. After his parents were killed by En Oyashiro (Chinoike Clan), he awakened his Mangekyō Sharingan at age 10 and spent three years exacting revenge. He later met the Zen Master, learned "Samadhi" (meditation), and founded the Hidden Darkness Village (Anyingakure) in the "Taoyuan" realm. He is orchestrating a plan to save the world from the Ōtsutsuki.
Age: Approx. 32-33 (Born the same year as Naruto and Sasuke).
Bloodline Limit: Eternal Mangekyō Sharingan.
Right Eye: Omodaru (Time manipulation/Time reversal).
* Left Eye: Haniyasu (Erasing presence/stealth).
* Inherited from Brother: Toyouke-bime and Mizuhanome (Enhances jutsu mechanism/stats).
* Ninja Rank: Lord Anyin (Leader of Hidden Darkness Village / Kage Level).
* Chen Related: Self.
Uchiha Jin
* Background: Chen's younger brother. A kind-hearted soul who supported Chen's plans. He died mysteriously seven years ago, leaving his eyes to Chen to form the Eternal Mangekyō. He married Samui of the Hidden Cloud before his death.
* Age: Deceased (Was 2 years younger than Chen).
* Bloodline Limit: Mangekyō Sharingan.
* Abilities: Toyouke-bime and Mizuhanome.
* Ninja Rank: Elite Ninja (Unranked/Rogue).
* Chen Related: Younger brother.
Uchiha Hikari
* Background: Chen's wife. She met Chen when they were 16. She manages the internal affairs of the Hidden Darkness Village and is described as a "virtuous wife" similar to Hinata.
* Age: Approx. 32-33.
* Bloodline Limit: Sharingan (Implied Uchiha bloodline).
* Ninja Rank: Manager/Leader figure in Anyin.
* Chen Related: Wife.
Uchiha Yuki
* Background: Chen and Hikari's eldest daughter. A prodigy who suspects her father is planning something massive. She is mature for her age and highly skilled.
* Age: 12.
* Bloodline Limit: Sharingan (3-Tomoe).
* Ninja Rank: Ninja Academy Student (Top of the class, Anbu-level skill).
* Chen Related: Eldest Daughter.
Uchiha Yue
* Background: Chen and Hikari's youngest daughter. A cheerful toddler who is doted on by Madara and Obito. She has already learned to mold chakra to walk on water.
* Age: 4.
* Bloodline Limit: Uchiha Bloodline (Unawakened eyes).
* Ninja Rank: Civilian/Toddler.
* Chen Related: Youngest Daughter.
Uchiha Kaze
* Background: Son of Uchiha Jin and Samui. He has a gentle personality like his father. He specializes in Lightning Style and Kenjutsu (Swordsmanship).
* Age: Approx. 12 (Yuki's classmate).
* Bloodline Limit: Sharingan (3-Tomoe).
* Ninja Rank: Ninja Academy Student.
* Chen Related: Nephew.
Uchiha Hana
* Background: Daughter of Uchiha Jin and Samui, and Kaze's twin sister. She has short blonde hair and resembles her mother.
* Age: Approx. 12.
* Bloodline Limit: Uchiha Bloodline.
* Ninja Rank: Ninja Academy Student.
* Chen Related: Niece.
Zen Master
* Background: A wandering monk without a name who saved Chen from his lowest point. He is a descendant of the Asura lineage of Ninshu. He taught Chen the "Samadhi" meditation technique.
* Age: Deceased (Old).
* Bloodline Limit: Asura Lineage (Body/Chakra).
* Ninja Rank: Monk (Spiritual Master).
* Chen Related: Mentor/Master.
Shizuka
* Background: The Zen Master's granddaughter. She was entrusted to Chen as a toddler and raised in the Hidden Darkness Village.
* Age: Approx. 16-17.
* Bloodline Limit: Asura Lineage (Implied).
* Ninja Rank: Official Anyin Ninja (Currently traveling).
* Chen Related: Adoptive Ward / Disciple's Granddaughter.
Kansuke
* Background: Son of Yamato (who defected/joined Anyin). He was born in the Hidden Darkness Village.
* Age: Approx. 12.
* Bloodline Limit: Wood Style (Mutant Variant: Ghost Bamboo - high piercing power).
* Ninja Rank: Ninja Academy Student.
* Chen Related: Subordinate's Son / Student.
The Seven Brothers (Dawa through Qiwa)
* Background: Septuplet sons of Atsui (Samui's brother) and a local Anyin woman. They are considered the future "fresh forces" of the village.
* Age: 6-7.
* Bloodline Limit: None specific, but they have high affinities:
* Dawa: Yang Release (Monstrous Strength).
* Erwa: Yin Release (Genjutsu).
* Others: Fire, Water, Lightning, Wind, and Earth affinities respectively.
* Ninja Rank: Ninja Academy Students.
* Chen Related: Sister-in-law's nephews / Village subordinates.
Masako Miura
* Background: Granddaughter of Granny Miura from the Hidden Rain Village. She moved to Taoyuan to inherit her grandmother's meat bun shop.
* Age: Young Adult.
* Bloodline Limit: None.
* Ninja Rank: Civilian.
* Chen Related: Villager / Subject.