In this volume, the Acro Silky battle gets wrapped up as we learn about her connection to Aira, Ken gets one of his balls back, Aira keeps trying to clumsily confess his feelings for him and Momo gets the wrong idea about it, but this all gets interrupted when the three of them get pulled aside into a dark flodded version of their school with a Nessie and a boxing alien hired by Serponians. We're awarded with more transformations and merging and loads of action.