[SageGaiGar]

Originally Posted by herbert

Latest manga chapter. It looks Zenge-chan reveals some shocking fact from the past.

Spoiler:

遊園地で大東と向き合うナギ。その体が突如傾き、倒れようとしたところをざんげが現れて支える 。
ざんげは「仁くんとイイカンジになるなんて絶対だめ！姉さまは大切なことを忘れてるわ。
だって姉さまの想い人はそこにいる大東なんですから」と言い放つ。

ざんげがケガレを集めていた理由は、それを大東に集めて本来の姿に戻し、ナギに記憶を思い
出してもらうためだった。また、ナギはケガレを祓っていたのは、昔の恋人の残骸を消すのを
ためだった。

そしてざんげの思惑通り、ナギは記憶を取り戻す。
ただ消えるはずだった自分が再び蘇って色々な思い出を作れて楽しかったと大東に語るナギ。
だがそれも終わりだといい、大東の手を握るナギ。見る見るうちにその体が黒く染まり穢れていく 。
ナギは「自分や大東は亡霊のようなものだ。役目を終えた今、存在する理由はない」と言って
大東ごと自分を祓うようにざんげに頼む。そしてタタリ神となったナギがその姿を現した。

And by the power of babelfish since my comprehension needs work.

Spoiler for Spoiler loosely babelfished:

In the recreational area Daito [nagi] which faces. The place where that body tries will tilt suddenly, to collapse is supported confession appearing. Confession “without fail how useless it becomes benevolence and [iikanji]! The older sister forgetting important thing, the [ru] [wa]. Because even the thinking person of the older sister is Daito which is there”, with it declares. Gathering that in Daito, you reset the reason where confession gathered [kegare], to the original form, you were in order to [nagi] memory is made to remember. In addition, as for [nagi] as for expelling [kegare], turning off the wreckage of the sweetheart of former times it was accumulating. And according to thought of confession, [nagi] recovers memory. By his is the expectation which goes out simply reviving again, being able to make various memories, that it was pleasant, [nagi] which you talk to Daito. But [nagi] that should have been end, the Daito hand grasps. Instantly, that body dyes blackly inside and the 穢 [re] [te] goes. As for [nagi] “by your as for Daito you are something like departed spirit. Now when function is finished, there is no reason which exists”, that saying, in order every Daito for you to expel by your, you ask to confession. And [nagi] which had become [tatari] God displayed that form.