Some of this stuff in here are because I've already seen/read the anime/manga but most of them are because I lost interest.

Will not finish Rating
Ouran High School Host Club (manga) Masterpiece
Death Note (manga) Good
Bleach (manga) Decent
Ark Angels (manhwa)
Magical x Miracle (manga)
Nura: Rise of the Yokai Clan (manga)
Shrine of the Morning Mist (manga)