What Seriri spoke of was precisely the reason Kou wanted to meet the Siren. Even without knowing the specifics, he knew only unsavory things were going on in the underground of Atlantis. Finally, the ringleader and her creation appeared before them. This was... a very disgusting creature he saw ahead. Everything about it was grotesque in every way... and the same could be said of the amalgamation of body parts that entered with it.

"Ugh," Kou uttered as his ears picked up on the squelching sound from ink-stained tentacles on the Siren's lower body. Even more disgusting than anything else was her apparent desire to possess his face for the Homunculus she crafted. Indeed, this was the sort of thing Kou could have imagined taking place in Atlantis to create individuals like Diva, and likely many others if there were even survivors. Tatsuki released her hold on the lad to free him for an assault, and not a moment too soon. Of all the things the Siren had done, all the things she planned on doing even, she intended to see Seriri killed just to end the revolution? No, he couldn't have that at all. "You think killing a monarch ends a people's revolution? It doesn't," he said as he stepped forward, readying his blade and wearing a visage painted with determination. "C'mon. I'll fight you."