According to Asahi Shinbun, the winners of the 14th Tezuka Osamu Cultural Prize are as follows:
Grand Prize: Hyougemono by Yamada Yoshihiro
New Artist Prize: Mushi to Uta by Ichikawa Haruko (the winner of Afternoon Quarterly Award 2006)
Short Story Award: Thermae Romae by Yamazaki Mari (the winner of Manga Taisho 2010)
Special Award: the late Yonezawa Yoshihiro (the representative of Comiket 14 – 70)
Here are the other candidates of the Grand Prize:
Imuri
Kamurobamura-e
Himawari ~Kenichi Legend
Kono Sekai no Katasumini
Yamikin Ushijima-kun
Source: Asahi