Reverse Harem, Love Rival, Love Triangle Part 2.

Full Color Manhwa
Reincarnated in Another World
Reincarnated in a Book World
Reincarnated as a Side/Mob Character
European Ambiance
Nobility, Royalty
Hard-Working Protagonist
Popular Friend
Clever Female Lead
Modern Knowledge
Magic Powers
Swordswoman

Full Color Manhwa
Reincarnated in Another World
Reincarnated in a Book World
Transmigration
European Ambiance
Nobility, Royalty
System
Secret Identity
Magic
Strong Female Lead
Reverse Harem

Full Color Manhwa
Reincarnated in Another World
Reincarnated as an Animal
Middle Eastern Ambience
Handsome Male Lead
Strong Male Lead
Magic, Curse
Special Ability, Healing Power
Beautiful Female Lead
Animal Transformation
Kind Female Lead
Love Triangle

Full Color Manhwa
Reincarnated in Another World
Reincarnated in a Book World
Transmigration
System Administrator
European Ambiance
Nobility, Royalty
Adopted Female Lead
Magic
Strong Female Lead

Full Color Manga
Reincarnated in Another World
Reincarnated as the Villainess
European Ambiance
Nobility, Royalty
Magic
Reverse Harem

Full Color Manhwa
Reincarnated in Another World
Reincarnated in a Book World
European Ambiance
Nobility, Royalty
Family Drama
Beautiful Female Lead
Magic
Reverse Harem

Full Color Manhua
Transported to Another World
Animal Characteristics
Animal Transformation
Handsome Male Lead
Smart Female Lead
Strong Female Lead
Reverse Harem

Full Color Manhua
Transported to Another World
Animal Characteristics
Animal Transformed into Human
Snake Boy, Lion Boy
Human-Nonhuman Relationship
Possessive Lover
Reverse Harem

Full Color Manhwa
Reincarnated in Another World
Reincarnated in a Book World
European Ambiance
Nobility
Royalty, Prince
Handsome Male Lead
Shy Male Lead
Special Ability
Fangirl
Female Disguised as Male
Strong Female Lead
Love Triangle

Completed Manhwa