BlazBlue: Chrono Phantasma shipped without Library Mode. This giant glossary is a reference point for BlazBlue fans with details on the game’s universe. So, why wasn’t library mode included in the English release? Siliconera has a statement from Arc System Works USA.
"The Library Mode in the Japanese version of BlazBlue: Chrono Phantasma explained terminology found in the BlazBlue novel series as well as defined fighting game terms unique to Japan. Due to the difficulty of accurately conveying these terms in English, Arc System Works decided to remove it from the North American version of BlazBlue: Chrono Phantasma so it would not be erroneously presented to North American audiences."
Why is the statement from Arc System Works instead of Aksys? While Aksys published BlazBlue: Chrono Phantasma in North America, Arc System Works USA localized the title for the West.