Suzu Edogawa

Tactics (タクティクス, Takutikusu?) is a Japanese manga series collaborated between Sakura Kinoshita and Kazuko Higashiyama. It is serialized and currently running in Comic Blade Masamune. Sakura Kinoshita supplied the character "Kantarou," and Kazuko Higashiyama supplied the character "Haruka." The manga was first released in North America by ADV Manga in 2004. Afterwards, the US license was transferred to Tokyopop, who have released 5 volumes so far.

The animation studio Studio Deen adapted the Tactics manga into a 25-episode anime series, which ran on Japanese television from October 5, 2004 to March 29, 2005. The English dub of the anime is distributed by Manga Entertainment in the United States, Canada and the UK.

The Sci Fi Channel (United States) began airing Tactics as part of its Ani-Monday programming block on January 7, 2008 at 23:00 Eastern Standard Time, the final episode aired on April 21, 2008.

Source: Wikipedia