5-ji Kara 9-ji Made or From five to nine

At the end of the drama on episode 10 what drama did they show, it's after the credits? Would love to know.

@ross
 I think it's : Itsuka Kono Koi wo Omoidashite Kitto Naite Shimau, that will start airing on January the 18th.
http://mydramalist.com/16024-itsuka-kono-koi-wo-om...