Talk:Memory of Ikedaya/@comment-101.127.33.43-20150723213453/@comment-26044227-20150723224223

Taken from the game page's section on How to Play (6.1):

なお、合戦場は「夜の市街戦」「昼の屋内戦」のように時刻と場所の組み合わせがございます.

Also, please note that there is a combination of "time" and "place": [Nighttime urban battles] and [Daytime indoor battles].

Believe me, I don't get the 6-3 background, either.