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