Volume 1 of the manga
Tactics Ogre is an official manga adaptation of the game Tactics Ogre: Let Us Cling Together.
The series was published by Enix, with story and art by Hiro Matsuba. It was released in Japan in 2000 across 4 volumes. There has been no official English release, though a partial fan translation exists.
The manga loosely follows the Lawful Route, but concludes around the end of the game's second chapter.
Currently, the series is out of print, and has not released digitally.