Tactics(タクティクスTakutikusu) is a Japanese manga series collaborated between Sakura Kinoshita and Kazuko Higashiyama. It was serialized in Comic Blade Masamune. Kinoshita supplied the character "Kantarou," and 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 8 volumes so far.