Episode 1
GRANN
Ishigami dreams about his past when he meets his teacher, he is awakened by his brother. He heard that his older sister had been kidnapped and he went to save her.
Episode 3
THE DEATH LABYRINTH
Ishigami wakes up and alerts his big brother Hitsugaya that they are inside the Labyrinth. 2 Mysterious men appeared and kidnapped Kizuna and Nichigami.