Coupling List Which Start with [U]
- Ubuyashiki Kagaya x Ubuyashiki Amane
- Uchiha Itachi x Hoshigaki Kisame
- Uchiha Itachi x Uchiha Sasuke
- Uchiha Itachi x Uzumaki Naruto
- Uchiha Obito x Hatake Kakashi
- Uchiha Sasuke x Haruno Sakura
- Uchiha Sasuke x Hatake Kakashi
- Uchiha Sasuke x Uchiha Itachi
- Uchiha Sasuke x Umino Iruka
- Uchiha Sasuke x Uzumaki Naruto
- Udai Tenma x Akaashi Keiji
- Udai Tenma x Tsukishima Akiteru
- Uduki Arata x Haduki You
- Uduki Arata x Mutsuki Hajime
- Uduki Arata x Satsuki Aoi
- Uenoyama Ritsuka x Sato Mafuyu
- Uesugi Hidehiko x Nanjo Kei
- Uguisumaru (Touken Ranbu) x Hirano Toushirou
- Uguisumaru (Touken Ranbu) x Hizamaru (Touken Ranbu)
- Uguisumaru (Touken Ranbu) x Ichigo Hitofuri
- Uguisumaru (Touken Ranbu) x Mikazuki Munechika (Touken Ranbu)
- Uguisumaru (Touken Ranbu) x Ookanehira (Touken Ranbu)
- Uguisumaru (Touken Ranbu) x Saniwa (Female)
- Uguisumaru (Touken Ranbu) x Saniwa (Male)
- Uguisumaru (Touken Ranbu) x Tsurumaru Kuninaga
- Ukai Keishin x Hinata Shoyo
- Ukai Keishin x Takeda Ittetsu
- Ukai Zero x Itou Kaiji
- Ukai Zero x Kudo Gai
- Ukitake Jūshirō x Hitsugaya Toushirou
- Ukon (Utawarerumono) x Haku (Utawarerumono)
- Ukon (Utawarerumono) x Sakon (Utawarerumono)
- Ulgar Zweig x Luca Esposito
- Ulquiorra Cifer x Grimmjow
- Ulquiorra Cifer x Inoue Orihime
- Umemiya Hajime x Sugishita Kyoutarou
- Umemori Genta x Shiba Takeru
- Umino Iruka x Haruno Sakura
- Umino Iruka x Hatake Kakashi
- Umino Iruka x Uzumaki Naruto
- Umoregi Ichirou x Mephisto III
- Unchou x Yamada Hana
- Unchuushi x Leizhenzi
- Unchuushi x Taiitsu Shinjin
- United Kingdom (Arthur) x America (Alfred)
- United Kingdom (Arthur) x France (Francis)
- United Kingdom (Arthur) x Germany (Ludwig)
- United Kingdom (Arthur) x Hong Kong
- United Kingdom (Arthur) x Japan (Honda Kiku)
- United Kingdom (Arthur) x Liechtenstein
- United Kingdom (Arthur) x Prussia (Gilbert)
- United Kingdom (Arthur) x Russia (Ivan)
- United Kingdom (Arthur) x Seychelles
- United Kingdom (Arthur) x Southern Italy (Lovino)
- United Kingdom (Arthur) x Spain (Antonio)
- United Kingdom (Arthur) x United Kingdom (Arthur)
- Uozumi Asaki x Futaba Taiga
- Uozumi Asaki x Tsukigami Kaito (Star-Mu)
- Uozumi Jun x Sendoh Akira
- Uozumi Takuya x Minami Kazuki
- Urabe Hanji x Nitta Shun
- Urahara Kisuke x Akon
- Urahara Kisuke x Ichigo Kurosaki
- Urahara Kisuke x Kon (Bleach)
- Urahara Kisuke x Kuchiki Rukia
- Urakaze Tounai x Ayabe Kihachirou
- Urakaze Tounai x Kawanishi Sakon
- Urakaze Tounai x Tsugiya Sannosuke
- Urameshi Yūsuke x Hiei
- Urameshi Yūsuke x Kurama
- Urameshi Yūsuke x Kuwabara Kazuma
- Urameshi Yūsuke x Yukimura Keiko
- Urashima Kotetsu x Midare Toushirou
- Urashima Kotetsu x Nagasone Kotetsu
- Urashima Kotetsu x Nikkari Aoe
- Urashima Kotetsu x Saniwa (Female)
- Urashima Kotetsu x Shishiou (Touken Ranbu)
- Urataros x Kintaros
- Urataros x Momotaros
- Urataros x Ryuutaros
- Urianger Augurelt x Thancred Waters
- Uroborosu-bunny x H-01 (Black Tiger)
- Urokodaki Sakonji x Kamado Tanjirou
- Uryu Ryunosuke x Caster
- Uryu Ryunosuke x Caster (Fate/Zero)
- Usami (Golden Kamuy) x Kadokura (Golden Kamuy)
- Usami (Golden Kamuy) x Ogata Hyakunosuke
- Usami (Golden Kamuy) x Olga (Golden Kamuy)
- Usami (Golden Kamuy) x Reader (Female)
- Usami (Golden Kamuy) x Tsukishima (Golden Kamuy)
- Usami (Golden Kamuy) x Tsurumi (Golden Kamuy)
- Usami Akihiko x Takahashi Misaki
- Usami Natsuki x Akira
- Usami Natsuki x Sanada Yuki
- Usami Renko x Mayberry Hearn
- Usami Renko x Merry
- Ushijima Kaoru x Ezaki Takaaki
- Ushijima Wakatoshi x Hinata Shoyo
- Ushijima Wakatoshi x Oikawa Toru
- Ushijima Wakatoshi x Semi Eita
- Ushijima Wakatoshi x Tendou Satori
- Ushiromiya Rudolf x Ushiromiya Battler
- Ushiwaka Minato x Shibutani Kasuka
- Ushiyama Tatsuma x Ienaga Kano
- Ushiyama Tatsuma x Kaizoku Boutarou
- Ushiyama Tatsuma x Ogata Hyakunosuke
- Ushiyama Tatsuma x Shiraishi Yoshitake
- Ushiyama Tatsuma x Toni Anji
- Usui Abuto x Arata Shin
- Usui Masumi x Sakuma Sakuya
- Usui Masumi x Tachibana Izumi
- Usui Yuuta x Mizuki Hisahito
- Uta (ONE PIECE) x Reader (Female)
- Uta (Tokyo Ghoul) x Kaneki Ken
- Uta (Tokyo Ghoul) x Yomo Renji
- Utagawa Ryou x Kikuchihara Shiro
- Utsuki Chikage x Chigasaki Itaru
- Utsuki Chikage x Mikage Hisoka
- Utsuki Chikage x Minagi Tsuzuru
- Utsuki Chikage x Sakuma Sakuya
- Utsuki Chikage x Sumeragi Tenma
- Utsuki Chikage x Tachibana Izumi
- Utsumi Sou x Seto Shoukichi
- Utsunomiya Hirotsuna x Amago Haruhisa
- Utsunomiya Toramaru x Gouenji Shuuya
- Utsunomiya Toramaru x Gouenji Yuuka
- Utsuro (Gintama) x Sakata Gintoki
- Utsusemimaru x Kiryu Daigo
- Utsushi (MONSTER HUNTER) x Hunter (Female)
- Utsushi (MONSTER HUNTER) x Hunter (Male)
- Utsutsu (Hana Awase) x Mikoto
- Uzaki Takuya x Aoshima Kazuya
- Uzu (Hoozuki no Reitetsu) x Hoozuki
- Uzu (Hoozuki no Reitetsu) x Okō (Hoozuki no Reitetsu)
- Uzui Tengen x Agatsuma Zenitsu
- Uzui Tengen x Hashibira Inosuke
- Uzui Tengen x Himejima Gyoumei
- Uzui Tengen x Hinatsuru
- Uzui Tengen x Kamado Tanjirou
- Uzui Tengen x Makio (Kimetsu no Yaiba)
- Uzui Tengen x Rengoku Kyoujurou
- Uzui Tengen x Rengoku Shinjuro
- Uzui Tengen x Shinazugawa Sanemi
- Uzui Tengen x Suma (Kimetsu no Yaiba)
- Uzui Tengen x Tengen's Younger Brother
- Uzui Tengen x Tomioka Giyuu
- Uzui Tenma x Agatsuma Yoshiteru
- Uzui Tenma x Rengoku Toujurou
- Uzuki Makio x Mizushima Saki
- Uzumaki Boruto x Uzumaki Naruto
- Uzumaki Naruto x Gaara
- Uzumaki Naruto x Haruno Sakura
- Uzumaki Naruto x Hatake Kakashi
- Uzumaki Naruto x Hyuuga Hinata
- Uzumaki Naruto x Uchiha Sasuke
- Uzumaki Naruto x Umino Iruka
- Uzumaki Naruto x Uzumaki Naruto