Top 3

Monster
Berserk
Golden Kamui

Thanks, I'll check it out :3

Hunter x Hunter
Gintama
Fruits Basket

Thanks.. I already know it tho xD

I see xD Then I'll give you some others I love a lot:
Kingdom
Slam Dunk
Natsume Yuujinchou

I love Natsume Yuujinchou
I already know SlumDunk so
I'll check Kingdom then, ty

pandora hearts
lovely complex
also gintama but you said you already know it so

Bastard
Sweet Home
My ID is Gangnam beauty

mushishi
the promised neverland
world trigger

Pluto (Urasawa Naoki)
Teiichi no Kuni (Furuya Usamaru)
Billy Bat (Urasawa Naoki)

Bastard.
The Red World.
Usemono Yado
Saikano.
An Uncomfortable Truth.
The Prisoner in the Miniature Garden.
Happy Sugar Life
Watashitachi ni Shiawase na Jikan