These are some of the worst anime I have ever seen, and I highly recommend you to stay away from this garbage. Take it from a sadomasochist like me; I watch them so you don't have to.

;)

Don't watch this crap. Rating
Akane Iro ni Somaru Saka (TV) Bad
Akane Maniax (OAV) Weak
Akikan! (TV) Bad
Akikan! (OAV) Bad
Amagami SS (TV) Weak
Aria the Scarlet Ammo (TV) Weak
Blood+ (TV) Weak
A Bridge to the Starry Skies (TV) Weak
Code Geass: Lelouch of the Rebellion R2 (TV) Weak
C³ (TV) Weak
Dragon Ball GT (TV) Weak
Freezing (TV) Awful
Girls Bravo (TV) Weak
Good Luck! Ninomiya-kun (TV) Bad
Heaven's Lost Property (TV) Bad
Heaven's Lost Property Forte (TV) Awful
Heaven's Lost Property: Project Pink (OAV) Bad
Heaven’s Lost Property the Movie: The Angeloid of Clockwork Awful
High School DxD (TV) Awful
Kanokon: The Girl Who Cried Fox (TV) Worst ever
Kanokon: The Girl Who Cried Fox (OAV) Worst ever
Kiss×sis (OAV) Bad
Kiss×sis (TV) Bad
Ladies versus Butlers! (TV) Worst ever
Majikoi - Oh! Samurai Girls (TV) Bad
Maken-Ki! Battling Venus (TV) Bad
Mashiroiro Symphony - The color of lovers (TV) Weak
Mayoi Neko Overrun! (TV) Weak
Omamori Himari (TV) Bad
Rosario + Vampire (TV) Weak
Rosario + Vampire Capu2 (TV) Weak
Samurai Girls (TV) Worst ever
Sekirei (TV) Bad
Sekirei: Pure Engagement (TV) Bad
Yosuga no Sora - In solitude where we are least alone (TV) Awful