Final Approach

Final Approach is a 13 episode anime series that aired in 2004, which had a game that released the same day as the first episode.

Plot
Ever since their parents died a few years ago, Ryo and his sister Akane have been living alone together.

Other Sources

 * http://www.animenewsnetwork.com/encyclopedia/anime.php?id=4542

Other Wikis

 * Final Approach (visual novel)