Mayo Chiki!

Information:

MAL: View Mayo Chiki! @ My Anime List
Genres: Comedy, Ecchi, Harem, Romance, School
Episodes: 13
Premiered: Summer 2011
Rating: R+ - Mild Nudity
Romance amount: Moderate
Romance quality: Moderate
Drama: Low
Fanservice amount: High
Harem: Yes

General:

The Couple:

Happy Ending:

Anime: No
Manga: Yes

Conclusive Ending:

Kinda

Conflict:

Love Triangle:

No

Love Rival:

Yes

Cheating:

Kinda?

Romance:

Kiss:

Yes

Do they admit their feelings?

Anime: Kinda
Manga: Yes

Do they end up as a couple?

Anime: No
Manga: Yes

Romantic closure:

Anime: No
Manga: Yes

Important Notes:

The anime covers up to Chapter 18 of the manga. Idk about the LN counterpart