Kodansha announced yesterday that a second OAD of this series by Suzuhito Yasuda is currently in production and it will be released on April 8, 2011, along with the special limited edition of the 10th volume of the manga.Meanwhile, the first OAD just shipped today with the ninth volume of the manga!
The story revolves around four teenagers; Akina, Hime, Ao, and Kotoha; each of them having their own unique abilities.
They run an office called Hiizumi Life Counseling Office, where their job is to help and protect the townspeople of Sakurashin, a town where humans and youkai co-exist with one another.
The town is protected by a barrier created by the spiritual sakura known as The Seven Pillars. The Seven Pillars exist in both the human world and the youkai world and is the only thing that keeps both worlds connected to each other.
However, recent bizarre incidents have occurred in their town and someone has threatened the safety of their town. It is up to the four of them to protect the town they love.
This manga started being published by Kodansha in 2006, and with its fair share of success the anime premiered on TBS on 2008.
(source: Anime News Network, Wikipedia)