Hitsugaya was in his office in the 10th Division barracks. Toshiro hated being called the gray-haired first-grader. But you called him that, which made him almost explode in anger.

"...just dare to call me that again and I will not be able to guarantee your safety in my division..."

said Hitsugaya annoyed, squinting his eyes in anger, but he could still keep his cold demeanor