The official website of the anime series "Love Live! School Idol Project" has announced that a special OVA will be included in the Blu-ray versions of the 6th single of seiyuu idol unit μ's.

The untitled 6th single of μ's will be released on November 27, 2013 in three versions. Each version contains a CD with the title track, a coupling song, instrumental versions of both, and an audio drama.

1. DVD edition: 5-minute music video
   
2. Blu-ray edition: 10-minute special OVA and 5-minute music video
   
3. Blu-ray enhanced edition: Packaging expands to a panorama of the Otonokizaka High School set.

Love Live! is scheduled to air its second season in Spring 2014.

Source: Love Live! School Idol Project official website

Story by arsonal

Music S.T.A.R.T!! music video & Love Live! School Idol Project OVA on MAL