Adapted to drama cd
Adapted to manga
Adopted protagonist
Aristocracy
Arranged marriage
Beautiful female lead
Bloodlines
Caring protagonist
Complex family relationships
Cooking
Cousins
Domestic affairs
Dragons
Early romance
Economics
European ambience
Family conflict
Fantasy world
Farming
Forced living arrangements
Forced marriage
Gate to another world
Imperial harem
Jealousy
Kingdom building
Kingdoms
Leadership
Magic
Maids
Male protagonist
Management
Manipulative characters
Marriage
Marriage of convenience
Modern knowledge
Monsters
Nobles
Older love interests
Polite protagonist
Politics
Polygamy
Power struggle
Pregnancy
Royalty
Schemes and conspiracies
Strategic battles
Technological gap
Transported to another world
Wars
Weak protagonist