- U Don't Know Me
- U Kill I Cook
- U wa Uchuusen no U
- U12
- Ubatte Choudai
- Ubawareru Koto Marugoto Zenbu
- Übel Blatt
- Uchi ni Neko ga Yattekita!
- Uchi ni Oide yo (AZUMI Kyohei)
- Uchi ni Oide yo.
- Uchi no Apartment no Yousei-san
- Uchi no danna ga kawaisugiru ken ni tsuite
- Uchi no Hentai Maid ni Osowareteru
- Uchi no Kaisha no Chiisai Senpai no Hanashi
- Uchi no Kaisha no Chiisai Senpai no Hanashi: Doujinshi-Ban
- Uchi no Ko no Tame naraba, Ore wa Moshikashitara Maou mo Taoseru kamo Shirenai.
- Uchi no Koakuma-kun
- Uchi no Kore ga Kore na mon de.
- Uchi no Maou ga Tenshi de tsurai
- Uchi no Musuko wa tabun Gay
- Uchi no Neko ga Onnanoko de Kawaii
- Uchi no Ojou-sama ga Hametsu End shika nai Akuyaku Reijou no you na no de, Ore ga Kyuusai shitai to Omoimasu.
- Uchi no Ojou-sama ga Hametsu End Shika Nai Akuyaku Reijou no You nanode, Ore ga Kyuusai Shitai to Omoimasu.
- Uchi no shishou wa shippo ga nai
- Uchi no Shitsuji ga Iu Koto ni wa
- Uchi no Tantei Shirimasen ka?
- Uchi no Tsukaima ga Sumimasen
- Uchi no Yome wa Jibun no Koto shika Kangaenai!!
- Uchi wa Wakarete Kurashiteiru
- Uchiage Hanabi, Shita kara Miru ka? Yoko kara Miru ka?
- Uchino Otoutodomo ga Sumimasen
- Uchuu de Ichiban Kimi ga Suki
- Uchuu Kazoku Carlvinson
- Uchuu Kyoudai
- Uchuu no Hate no Mannaka no
- Uchuu no Hito
- Udon no Kuni no Kiniro Kemari
- Ue ni Tatsu Mono no Aura
- Ueno-san wa Bukiyou
- Uesugi Kenshin
- Ugetsudou Antique
- Ugly Woman's Harem Code
- Uglyhood
- Uiwon, Dasi Salda
- Ujuchoegang Daeseuta
- Ukkari Heika no Ko o Ninshin Shite Shimaimashita - Ouhi Berta no Shouzou
- Ukkari Heika no Ko wo Ninshin shite shimaimashita: Ouhi Berta no Shouzou
- Uliui Cheosnal
- Ulji Maseyo, Seonbaenim!
- Ultimate Abandoned
- Ultimate Legend - Kang Hae Hyo
- Ultimate Path Martial Arts
- Ultimate Rock-Paper-Scissors
- Ultimate Soldier
- Ultra Journey: Twin Tail Girl and Twin Tail Me
- Ultra Journey: Twin Tail Shoujo to Twin Tail na Boku
- Ultra Kaijuu Gijinka Keikaku - Feat. Pop Comic Code
- Ultra Kaijuu Gijinka Keikaku Galaxy Days
- Ultra Maniac
- Ultra Secretary
- Ultraman
- Ultras
- Uma Musume: Cinderella Gray
- Umaimon Kuwasero!
- Umarekawatta "Kensei" Wa Raku o Shitai
- Umarekawatte mo mata, Watashi to Kekkon shite kuremasu ka?
- UmaYon - Mini Comics
- Umbrellas
- Umehara - Fighting Gamers!
- Umi no Misaki
- Umi Yori mo Fukaku
- Umibe no Étranger
- Umihara Kawase Hyper Technique Tettei Kouryaku + Comic
- Umiiro March
- Umimachi Diary
- Umineko no Naku Koro ni Chiru Episode 5: End of the Golden Witch
- Umineko no Naku Koro ni Chiru Episode 6: Dawn of the Golden Witch
- Umineko no Naku Koro ni Episode 1 - Legend of the Golden Witch
- Umineko no Naku Koro ni Episode 3: Banquet of the Golden Witch
- Umineko sou days
- Uminekosou Days
- Unable to Become the Main Force
- Unbalance na Netsu
- Unbalance x 2
- Unbalance x 3
- Unbalance x2: After Story
- Unbending Flower
- Unbreakable
- Uncharted Walker
- Uncle Cool
- Uncomfortable Roommates
- Undead Unluck
- Undefeated Battle God
- Undefeated Ranker
- Under 18 Elite
- Under Grand Hotel
- Under My Skin
- Under One Roof
- Under Prin
- Under the Blue Moonlight
- Under the Moonlight
- Under the Oak Tree
- Under the Paws of Cats
- Under the Skin
- Under the Water and Mutated Fishes
- Under Your Wings
- Undercover Empress
- Underskin
- Undine of the Desert World
- Unemployed Concentration Camp
- Unexpected Accident
- Unholy Blood
- Unholy Night
- Unicorn to sabishi-gari ya shoujo
- Unintentional Love Story
- Universe's Most Jealous Goddess
- Unknown Code
- Unlimited Magic Novice Swordsman
- Unlock 99 Heroines in End Times
- Unlucky Mansion
- Unmei no Hana
- Unmei no Hito to Deaeru Koi suru Appli
- Unmei wo shinjinai kare ga iuniwa
- Unmeinanosa
- Unnamed Memory
- unOrdinary
- Unorthodox Spiritualist
- Unpredictable
- Unreachable Girl
- Unripened: I Became the Maid of the Duke's Family
- Unromantic
- Unromantic Quest
- Unsound Relationship
- Unspeakable Contact
- Unspeakable Secrets
- Until I Become Me (Pixiv)
- Until the Tall Kouhai (Girl) and the Short Senpai (Boy) Develop a Romance
- Untouchable
- Untouchable (Wen Yangdao)
- Untouchable Lady
- Updater
- Upon the White Tiger
- Upotte SISTERS!!
- Upotte!!
- UQ Holder!
- Ura Account Jyoshi
- Ura Baito: Toubou Kinshi
- Uragirareta S-Rank Boukensha no Ore wa, Ai suru Dorei no Kanojora to Tomo ni Dorei dake no Harem Guild wo Tsukuru
- Urami Koi, Koi, Urami Koi.
- Uramichi Oniisan
- Urara Meirochou
- Urasekai Picnic
- Uratarou
- Urban Best Medic
- Urban Castaway
- Urban Cultivation Frenzy
- Urban Fairy King
- Urban God
- Urban Legend
- Urban Rebellion
- Ureoji BL
- Ureshon!
- Uriah
- Uridongne Miyongsil Hyeong
- Urijibe Nolleowa!
- Uruha no Sekai de Arisugawa
- Urumatsu-san
- Urusei Yatsura
- Urushiha Sarara wa Koi nado shinai
- Uruwashi no Yoi no Tsuki
- Us Right Now
- Usa-bility
- Usagi ga Nihiki
- Usagi no Furafura
- Usagi no Mori
- Usagi to Ookami no Shinshikyoutei
- Usami-kun's secret!
- Usami-san Ha Kamawaretai
- Usami-san Ha Kamawaretai!
- Usami-san wa Kamawaretai!
- Useless Ponko
- Useless Princesses
- Ushiharu
- Ushiro
- Ushiro - Fukigen na Shinigami.
- Ushiro no Hikaruko-chan
- Ushiro no Seki no Katou-kun
- Ushiro no Shoumen Darling
- Ushiro no Shoumen Kamui-san
- Ushirokara Dakishimete
- Uso de Ii node
- Uso ni mo Koi ga Iru
- Uso no Tsukenai Otoshi Goro
- Uso to Kiss
- Uso-Bitch Senpai
- Uso-darake no Kekkon
- Usogui
- Usotoki Rhetoric
- Usotsuki Android
- Usotsuki Hime to Moumoku Ouji
- Usotsuki Kyoushi to Shinitagari
- Usotsuki Marriage
- Usotsuki na Hatsukoi - Ouji-sama wa Do S Host
- Usotsuki na Kimi no Toriko
- Usotsuki na Tsugai
- Usotsuki Omega No Kamase Kata
- Usotsuki Paradox
- Usotsuki Satsuki Shi ga Mieru
- Usotsuki wa Dareda
- Usotsuki! Gokuo-kun
- Uta no☆Prince-sama♪ - Spring Takes Love (Doujinshi)
- Utakata no Minato
- Utsu Gohan
- Uzaki-chan wa Asobitai!
- Uzumaki
- Vagabond
- Vagabond: The LAST Manga Exhibition Complete Catalogue
- Valentine Day
- Valentine Kiss
- Valentine Kiss (Kim Hee Seong)
- Valentine's Day and White Day
- Valhalla Otintin-kan
- Valkyria
- Valkyria Nainen Kikan
- Vampeerz, My Peer Vampires
- Vampire and Hunter
- Vampire Beru and Ghost Aki
- Vampire Chef
- Vampire Danshiryou
- Vampire Knight
- Vampire Knight Memories
- Vampire Library
- Vampire Neighbor
- Vampire Sphere
- Vampyre
- Van Helsing - Darkness Blood
- Vang Vang's Silly Adventures
- Vanguard
- Vanilla Soda Sky
- Vanilla Spider
- Vanitas no Shuki
- variaBLe X or last
- Vector Ball
- Veil
- Veiled Armor: Awakening
- Velvet Rose
- Vending Machine
- Vengeance of the Heavenly Demon
- Vengeance of the Reawakened Sword God
- Vengeful Girl With Her CEO
- Ventham
- Venus Kiss!!
- Venus ni Seppun
- Venus wa Kataomoi
- Veronica
- Versailles no Bara
- Versatile Mage
- Version
- Veteran Shougakusei Takashi
- Vicious Luck
- Vigilante
- Vigilante (CRG)
- Vigilante: Boku no Hero Academia Illegals
- VIKING LORD
- Villain Initialization
- Villain to Kill
- Villain Warrior
- Villainess Level 99 ~I May Be the Hidden Boss but I'm Not the Demon Lord~
- Villainess's Idol
- Villainous Princess
- Villains Are Destined to Die
- Vinegirl: Mercy Killing
- Vinland Saga
- Violence Action
- Violence Jack
- Violin
- Violin Trio
- Viral Hit
- Virgin Lesson
- Virgin Mama
- Virgin vs. Chad
- Virgin x Virgin
- Virtual Lovers
- Virtual Reality Action RPG
- Virtual World: Close Combat Mage
- Virtues of the Villainess
- Viruka-san VS
- Virus
- Virus Girlfriend
- Virus Tensei kara Isekai Kansen Monogatari
- Visible Only to You
- Vista
- Vitamin
- Voice Rush
- Voiceful
- Volcanic Age
- Volcano High Prelude
- Voynich Hotel
- VR Eroge Yattetara Isekai ni Tensei Shita node, Bishoujo Maou o Doreika Suru - Cross Out Saber
- VRMMO de Summoner Hajimemashita
- VS Evil
- Vtuber