Age Gap, Older Female x Younger Male

Reincarnated in a Book World
Reincarnated as the Villainess
Nobility, Royalty
Older Female x Younger Male

Reincarnated in a Book World
Reincarnated as the Villainess
European Ambiance
Nobility, Royalty
Child Protagonist
Older Female x Younger Male

Reincarnated in Another World
Reincarnated in a Book World
Witch Female Lead
Older Female x Younger Male

Full Color Manhua
Reincarnation
Transmigration
System Administrator
Smart Female Lead
Strong Female Lead
Older Female x Younger Male

Reincarnated in a Book World
Reincarnated as a Side/Mob Character
European Ambiance
Nobility, Royalty
Strong Female Lead
Older Female x Younger Male

Reincarnated in Another World
Nobility, Royalty
Older Female x Younger Male

Full Color Manhua
Reincarnated in Another World
Reincarnated in a Book World
Transmigration
European Ambiance
Nobility, Royalty
Maid Female Lead
Master-Servant Relationship
Magic
Older Female x Younger Male

Full Color Manhwa
Reincarnated in a Another World
Reincarnated in a Book World
Transmigration
European Ambiance
Nobility, Royalty
System Administrator
Detective Agency
Detective Female Lead
Multiple Couples
Handsome Male Lead
Stoic Male Lead
Yandere Male Lead
Cute Female Lead
Older Female x Younger Male