Academy
Adapted to manga
Antihero protagonist
Arrogant characters
Average-looking protagonist
Beastkin
Boss-subordinate relationship
Carefree protagonist
Chuunibyou
Curses
Demi-humans
Demons
Dense protagonist
Depictions of cruelty
Different social status
Elves
Evil organizations
Hard-working protagonist
Hiding true abilities
Hiding true identity
Kingdoms
Knights
Lack of common sense
Loyal subordinates
Lucky protagonist
Magic
Maids
Male protagonist
Master-servant relationship
Merchants
Misunderstandings
Mob protagonist
Modern knowledge
Money grubber
Monsters
Multiple pov
Nobles
Overpowered protagonist
Parody
Possession
Proactive protagonist
Protagonist strong from the start
Quirky characters
R-15
Reincarnated in another world
Romantic subplot
Royalty
Ruthless protagonist
Schemes and conspiracies
Secret identity
Secret organizations
S*aves
Special abilities
Strong love interests
Strong to stronger
Sword and magic
Time skip
Underestimated protagonist
Vampires