Maeda Atsuko tweeted :
"I will not participate in the Senbatsu Election.
I have a filming abroad exactly during the beginning of June.
But I will support all those participating with all my heart."
Source: Acchan's Twitter
tbh, I'm so glad she did not participate in the upcoming election, I sincerely wish her all the best for her solo activities.
If you guys want an update on the members who are participating and those who are not participating you can check out this list: tumblr