'Hanamonogatari' in Production for 2014 as 'Monogatari Series: Second Season +α' [Update 3/22]

According to a video in movie section on the official site of Monogatari Series: Second Season, Hanamonogatari is in production for 2014, titled Monogatari Series: Second Season +α.

Source: Hanamonogatari trailer

Monogatari Series: Second Season +α on MAL


Update March 22
An ad from Anime Japan reveals that the series will air May 31, 2014 and will be 5 episodes. Additional cast members have also been announced.

Suruga Kanbaru: Miyuki Sawashiro
Rouka Numachi: Kana Asumi
Tooe Kanbaru: Michiko Neya

Source: Yaraon 1, 2

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