Aliens
Assassins
Beast companions
Beautiful female lead
Betrayal
Corruption
Death of loved ones
Determined protagonist
Drugs
Dwarfs
Early romance
Elves
F*llatio
Game ranking system
Goddesses
Gods
Guilds
Handsome male lead
Hiding true identity
Hot-blooded protagonist
Human experimentation
Level system
Loli
Loyal subordinates
Lucky protagonist
Male protagonist
Mind control
Mmorpg
Modern day
Monsters
Mysterious past
Nationalism
Overpowered protagonist
Past plays a big role
Perverted protagonist
Pets
Polygamy
Protagonist strong from the start
Psychic powers
R*pe victim becomes lover
R*pe
Ruthless protagonist
Sealed power
Siblings not related by blood
Special abilities
Spirit advisor
Strong to stronger
Sword and magic
Terminal illness
Threesome
Tragic past
Virtual reality