[ReaperxKingx]

Originally Posted by Shinso Tsukune

Spoiler for 57:

You're right, Issa's appearance does not match the silhouette of the 2nd branch leader. I don't think Issa is doing this out of his own will, I believe he is being manipulated into doing it, I've paid close attention to his facial expressions in the raws of 57 and with the addition of what he was like in the flashback of Moka's memories, I think he is being mind controlled.

Spoiler for What if....:

Strongly that could be it, but what if he isn't? Though most likely you are right, so far most of the family show up in this arc well all except one which I hope she will.