Key words
- Upside Down
- Unfortunate Yaoi
- UNI （Completed）
- UglyFood:Adventures
- UPGRADE!
- Unbreakable Iron Ranger
- Useless
- Until Death Never Do Us Apart
- Underpants and Overbites, A Diary Comic!
- Untwisting
- UFOh My Heart
- Unbreakable Bond
- Unnoticed Love
- Urban Lifestyle Department
- Useless Comics
- Under The Stars
- Unexpected
- Undervirus (Undertale AU)
- Up and down
- Unluckies
- Urutomo
- Urban Freeze
- Ugly Sweater
- Unconditional Love
- UltraViolet
- ULTRA IDLE adventures
- Ultra Gear
- UberQuest
- UNDERTALE - UNDERPATH
- Unplaceable Youth
- Unwanted Darling
- UnreQUEERted
- Underneath the Mask
- Unaltered Reset
- Until You Talk To Me
- Unknown Paths
- Until Spring Comes Again
- Unbreakable
- Unhallowed!
- Under the Rose Garden
- Under The Tree - Gacha Club Webtoon
- UNFEAR ME
- Up in the air
- Under the Lion
- Unexpected Love (BL)
- Unfortunately Lucky
- Universal Darkness
- Underworld Engine
- Under the Weather
- Utoon