Ano Natsu De Matteru

This is a nice anime though
very recommended.

Op:Sign (Ray)
http://www.youtube.com/watch?feature=player_detailpage&v=KRlbJolZR_k


Ed: Vidro Moyou (Nagi Yanagi)
http://www.youtube.com/watch?feature=player_detailpage&v=LKuEIOPbyFM
(i do not own those video)