2.5 Dimensional Seduction manga volume 4 features story and art by Yu Hashimoto.

Okamura and Lilysa take part in a cosplay convention in a bid for the manga club’s survival. Their plans are derailed by the appearance at the con of one of the Four Heavenly Queens of cosplay, Nagomi–and their advisor, Mayuri, shows up as well… Both Lilysa and Okamura are forced to look into their own hearts and think about what cosplay means to them. The path of otakudom has more twists and turns than ever!