Infinity Studios announced its plans to Zero volume 4 onwards in Portable Document Format for e-book .
The manhwa is licensed in North America by Infinity Studios , in France by Tokebi and in Russia by Comics Factory .
Infinity Studios announced Infinity Studios ' plans to Zero volume 4 onwards in Portable Document Format for e-book .
The manhwa is licensed in North America by Infinity Studios , in France by Tokebi and in Russia by Comics Factory .