Borderline Hentai anime recommendations?

1. To Love-Ru

2. KissXSis

3.Yosuga no Sora

4. Kaifuku Jutsushi no Yarinaoshi

5. Ishuzoku Reviewers

6. Queen's Blade: Grimoire

7. Freezing

8. Highschool of the Dead

9. Btooom!

10. Prison School

11. Nande Koko ni Sensei ga!?

12. High School DxD

13. Shinmai Maou no Testament

14. Gantz

15. Shuumatsu no Harem