This is official...The chosen 13 student who enter class 1-D in Horikoshi Gakuen for 2011, special class for entertainment artist! XD
According to this official list..XD


Boys Troop:

1. Morimoto Ryutarou

Johhnys Entertainment Fellow (Hey!Say! JUMP member)
More info: HERE

2. Nishii Yukito

Watanabe Entertainment (same as Seto Koji and Shirota Yuu)
from D2 Group, popular with his stage theatre "Kuroshitsuji" and movie "Kokuhaku"
his blog: HERE

3. Tanaka Juri

Johnnys Junior (Hip Hop JUMP)

4. Yamamoto Ryousuke

Ken-on Entertainment (JUNON Magazine)
his official page: HERE

5. Koseki Yuuta

Amuse Entertainment (he appear in Prince of Tennis season 2)
his official page: HERE

6. Motohashi Takehiko (I didn't find him..TT seems he uses different name in entertainment world)


Girls Troop

7. Kumai Chizuko


She is a model...

8. Satou Ami/ Maeda Ami (I don't really sure, but her birthyear is make sense, maybe Satou Ami is her original name, but management give stage name "Maeda Ami", because there is Satou Amina in AKB48 too, right? Maybe management change her name to prevent misunderstanding...XD))

The member of AKB48 team A
her official page: HERE

9. Takeuchi Miyu

Member of AKB48
her official page: HERE

10. Shibamoto Yuzumi

NEWS Entertainment School
She ever appeared in GARO SP

11. Shingai Ayaka

She is a singer. Her first single is "Miracle Dream"
her official page: HERE

12. Hinoda Natsuo (I didn't find her yet, maybe she didn't use this name in entertainment world)

13. Yamaguchi Nana

She is a singer from V-Pro the same as Yui