Japanese is the main language of Osaka University Med H10 facebook group. It is a CLOSED group. There are 34 participants in that group. So it is a Tiny group. You can find this group by searching 175855742564128 on Google, Bing or Yahoo. 2015-01-05 05:39:07 is the closest date we have information about it.
「H10クラス会をちゃんとして来なかった・・・」という藤井の申し訳ない気持ちが産みだした、ネット上のクラス会みたいなもの。