Idk if these are 'the best' but these are my personal favorites
The Disastrous Life of Saiki K.
Heaven Officials Blessing
Demon Slayer
Blue Exorcist
Haikyuu!!
Hunter x Hunter
The Way of The Househusband
One Piece
Kakegurui
Great Pretender
Food Wars!
Violet Evergarden
Sword Art Online
Monthly Girls Nozaki-kun!
One Punch Man
Black Butler
No Game No Life
Akame ga Kill!
Haikyuu
Hunter x hunter
Attack on titan
Mob psycho 100
That time i got reincarnated as a slime
Konosuba
Full metal alchemist
Monthly girls nozaki kun
Owari no seraph
Psycho pass
Assasination classroom
Heaven officials blessing
The millionaire detective
Boku no hero academia
Gleipnir
Not in netflix but watch: jujutsno kaisen, one piece, d. Gray man, gintama
These are the ones i can remember that are avail in our countrys netflix
what are the best animes on n3tflix