Dark?

Library manga

Updater
UnORDINARY
Unnamed Memory
Unlovable Replacement
Unholy Blood
Undefeated Ranker
Ultra Alter
True Beauty
Tricked into Becoming the Heroine's Stepmother
Tower of god Raw
Tower of God
Top 1%
Tokyo Revengers
Toaster Dude
To You Who Swallowed a Star
To Not Die
To Match a Villainess: Love Hunting Rhapsody
To Love Your Enemy
Time Roulette
Ticket Hero
Throne of the Dragon King
This Magical Moment
This is the Law
There Must Be Happy Endings
The World After the Fall
The Witch and The Bull
The Villainess is Worshipped by the Family
The Villainess is a Marionette
The Tutorial Tower of the Advanced Player
The Tutorial is Too Hard