Title: Kanon (カノン)
Genre: Supernatural, Mystery, Romance
Offical Site: http://www.bs-i.co.jp/anime/kanon/

Summary:
A story about a guy, Yuuchi who returned to a city 7 years later. Something had happened to him and he is unable to recall the events until one day, he meets a girl who carried a backpack with wings. They bumped into each other. The girl’s Tsukimiya Ayu and from that point onwards, Yuuchi starts to recall the events that happened and recalling the memories lost.

OP:
Last Regrets by Ayana
ED:
Kaze no Tadori Tsuku Basho by Ayana

Cast:
Akemi Satou as Shiori Misaka
Mariko Kouda as Nayuki Minase
Mayumi Iizuka as Makoto Sawatari
Tomokazu Sugita as Yuuichi Aizawa
Yui Horie as Ayu Tsukimiya
Yukari Tamura as Mai Kawasumi

Screencaps: