Which episode is seventy-seven books of fallen soldiers playing cards on the computer?

This is the first episode. The head of the military region issued a martyr's card to his comrades-in-arms, but the staff was playing cards. It was the TV series "Seventy-seven Death Letters". The plot took place in the first episode. The head of the regiment went to issue a martyr's card to his comrades-in-arms. The staff was playing cards and had a bad attitude. The person in charge was furious and smashed the office on the spot.