VanDread S02 E06 Orizunaru Sumairu (Original Smile)

"If the enemy doesn't kill them, their hormones will!"

The second attack on the Harvest mother ship has failed, although now Hibiki and the others have a ray of hope in the form of a way to penetrate the mother ship's defenses. Forming a plan around Parfait's limited ability to stop the machine-controlled Harvest fleet, Hibiki and the others launch one last, desperate attack on the mother ship, using Pyoro to upload a virus directly from the mother ship's core. Now the Vandreads must defend the little NAVI robot as he struggles to do his job - but the new enemy form is not far behind...