エメラルド 
TERAGOYA おとな 
birdy 
ボームイングリッシュアカデミー【小中学生向け】 
内倉憲一 
KUMA 
ボームイングリッシュアカデミー【未就学児向け英会話】 SKE48 @ Teragoya
Here is a post on Gifu Channel`s website about the visit to Teragoya a while ago* by three SKE48 members:
http://backnumber.zf-web.com/tske48/p1812282715
In a while**, the video will be available on Gyao (https://gyao.yahoo.co.jp/). I`ll let you know when it`s there. While*** you wait for that, how about watching my Youtube videos for a while****? (I`m sorry that Tera-chan is not as pretty as SKE48 members...)
https://www.youtube.com/channel/UC3SckO780YDy43cZhP9UBlQ/videos
Vocabulary:
* a while ago = しばらく前
** in a while = もう少ししたら
**** for a while = しばらくの間
*** while = 〜する間
http://backnumber.zf-web.com/tske48/p1812282715
In a while**, the video will be available on Gyao (https://gyao.yahoo.co.jp/). I`ll let you know when it`s there. While*** you wait for that, how about watching my Youtube videos for a while****? (I`m sorry that Tera-chan is not as pretty as SKE48 members...)
https://www.youtube.com/channel/UC3SckO780YDy43cZhP9UBlQ/videos
Vocabulary:
* a while ago = しばらく前
** in a while = もう少ししたら
**** for a while = しばらくの間
*** while = 〜する間