2chi城

2chi城 is the 13th song in the original soundtrack album. As with all the other OSTs, it was composed and arranged by Hiroyuki Sawano.

Trivia

 * By taking the "on'yomi" readings of the numbers, rōmaji, and kanji in "2chi城", the title can be read as "にちじょう", or "日常", meaning "Everyday Life" (lit. "Everyday").