Nami One Piece Hentai -

Death Note (Psychological Thriller)

My Hero Academia (Shonen/Superhero)

March Comes in Like a Lion (Slice of Life/Drama)

To Your Eternity (Fantasy/Drama)

If you ask for popular anime series and manga recommendations online, these titles will appear first. They are popular for a reason: universal appeal, high production value, and addictive storytelling.