- U-13・少女奴隷婚(単話版)
- Ultimate Temptation
- Ultimatum: Marriage
- Ultra Maniac, Vol. 1
- Ultra Maniac, Vol. 2
- Ultra Maniac, Vol. 3
- Ultra Maniac, Vol. 4
- Ultra Maniac, Vol. 5
- Um Die Halbe Welt Zu Dir
- Uma Mulher De Paixão
- Un Bebé por su cuenta
- Un Acuerdo Honesto
- Un Affaire Español
- Un coeur mis au défi
- Un Despertar Despiadado
- Un Manitas para Tener Cerca
- Un marido apropiado
- Un Viejo Encantamiento
- Una Abigail poco común
- Una Esposa en el Tiempo
- Una petición navideña
- Una ribelle con la corona(Italia Version)
- Unbuttoned By Her Maverick Boss
- Uncertain Summer(Harlequin Comics)
- Uncovering Her Nine Month Secret
- Uncovering The Silveri Secret
- Undangan Pesta Dansa sang Atasan
- Undangan Sang Pangeran
- Under The Influence
- Under the Rose (1) 冬の物語
- Under the Rose (10) 春の賛歌 【電子限定おまけ付き】
- Under the Rose (2) 春の賛歌
- Under the Rose (3) 春の賛歌
- Under the Rose (4) 春の賛歌
- Under the Rose (5) 春の賛歌
- Under the Rose (6) 春の賛歌
- Under the Rose (7) 春の賛歌
- Under the Rose (9) 春の賛歌 【電子限定おまけ付き】
- UNDER THE SPANIARD'S LOCK AND KEY(Harlequin Comics)
- Undercover Man(Harlequin Comics)
- Undercover Marriage(Harlequin Comics)
- Undercover Sheik
- Undercover Sultan
- Underneath It All(Harlequin Comics)
- Undone by Her Tender Touch
- Undone by His Touch
- Une Noble Promesse 1
- Une Noble Promesse 2
- Une Proposition Osée(Version Colorisée)
- Une étudiante modèle
- Unexpected Engagement
- Unfinished Business With The Duke(Harlequin Comics)
- Unexpected Engagement
- Unfinished Business With The Duke(Harlequin Comics)
- Unidentified 前
- Unidentified 後
- Unidos por el Bebé Kincaid
- Uniti Dal Piacere
- Unlikely Lover
- Unlocking Her Boss's Heart
- Unlocking Her Innocence
- Unmasking the Maverick Prince (Harlequin Comics)
- Unnoticed and Untouched
- UNREAL vol.1
- Unrequited Love
- Untamed Billionaire, Undressed Virgin
- Untamed Billionaire, Undressed Virgin(Colored Version)
- Untamed Italian, Blackmailed Innocent
- Untamed Lover
- Untouched By His Diamonds
- Untouched Until Marriage(Harlequin Comics)
- Untouched Until Marriage(Mills & Boon)
- Untuk Mereka di Hatimu
- Unwanted Wedding
- Unwilling Wife
- Unwordly Secretary, Untamed Greek
- Up Close And Personal!