Ep 12. E 12

Kirito and Sinon are still struggling to defeat the boss of the Bullet of Bullets tournament, which has taken on a form identical to Death Gun. As they fight, Kirito becomes increasingly frustrated with his inability to tell if the boss is using the same tactics Death Gun used to kill players in the past. Sinon, meanwhile, is driven to confront her fear of guns and finally overcome her trauma from the past.

At the same time, Asuna and her friends continue their investigation into Death Gun, determined to find a way to stop him for good. They discover that he has a partner who may be working behind the scenes to help him carry out his deadly plans.

As the tournament draws to a close, Kirito and Sinon finally manage to defeat the boss and win the competition. However, their victory is bittersweet as they realize that this is just the beginning of their battle against Death Gun and his accomplice.