No problem, and here's a list of them
Hellsing Ultimate
Hellsing The Dawn
Seven Deadly Sins
Black Butler
Tokyo Ghoul
High school of the Dead
Ouran Highschool Host Club
Sword Art Online
Your lie in April
Death Note
Highschool DXD
Magi:The Adventure of Sinbad
Attack on Titan
Diabolik Lovers
And my recommendations would definitely be the Hellsing Series and although I'm not done watching it, Kabaneri of the Iron Fortress