Adapted to anime
Adapted to manga
Adventurers
Beastkin
Beautiful female lead
Breast fetish
Cheats
Cooking
Demi-humans
Dragons
Dungeons
Dwarfs
Elemental magic
Elves
Fantasy world
First-time interc**rse
Game elements
Guilds
Heroes
Human-nonhuman relationship
Level system
Loli
Maids
Male protagonist
Master-servant relationship
Monsters
Nobles
Perverted protagonist
R-15
S*x s*aves
S*ave harem
S*aves
Special abilities
Sword and magic
Sword wielder
Transported to another world
Tsundere