- Uchi no Meido wa Futeikei
- Uchi no Musume no Tame naraba, Ore wa Moshikashitara Maou mo Taoseru kamo Shirenai (LN)
- Uchi no Musume no Tame naraba, Ore wa Moshikashitara Maou mo Taoseru kamo Shirenai (WN)
- Ukikumo Shinrei Kitan
- Ultimate Assassin System
- Ultimate Avatar
- Ultimate Goddess System
- Ultimate Naruto System in a Different World
- Ultimate Porter ~The Weakest Man Aspires to be an Adventurer~
- Ultimate Scheming System
- Ultimate Teacher
- Ultraman – Only Want To Protect You
- Umi to Kaze no Oukoku
- Unable to Touch , the Cold hearted Wife Always Run Away
- Unbeatable! Invincible! Unparalleled!
- Unborn
- Undead Seeks Warmth
- Undefeatable – League of Legends
- Undefeated God of War
- Undeniable Commitments
- Underdog Versus Boss
- Underground Doctor
- Underground Dungeon
- Unexpected Second Chance at Love
- Unfathomable Doomsday
- Union Of Enemies
- Union Of Enemies
- Unique Legend
- Universal Sword God
- Unlimited Anime Works
- Unlimited Fafnir
- Unlimited Machine War
- Unmotivated Hero’s Tale (WN)
- Unparalleled Heavenly Lord
- Unpopular As I Am, I Have To Meet a Heroine Within Five Days
- Unprecedented Pill Refiner: Entitled Ninth Young Lady
- Unrepentant
- Unrivaled Medicine God
- Unrivaled Tang Sect
- Unruly Phoenix Xiaoyao
- Unscrupulous Enchantress: The Young Miss Has Arrived!
- Unsealing: Omnipotent Father
- Unspoken Feelings
- Upgrade Specialist in Another World
- Upside Down
- Upstart Pastry Chef ~Territory Management of a Genius Pâtisserie~
- Urasome Tenba
- Urban Banished Immortal
- Urban Tales of Demons and Spirits
- Using Gacha to Increase My Companions and to Create the Strongest Girls’ Army Corps
- Usotsuki – Uso o Tsuku Tabini Nagametakunaru Tsuki
- Usotsuki Mi-kun to Kowareta Ma-chan
- Utsukushii Koto
- Utsuro no Hako to Zero no Maria
