C58 Prophylactic needle(2)

After entering the courtyard, it was completely quiet. Other than the hundred-year-old pine tree that was constantly sprinkling pine needles, there was no other activity. A strange sense of desolation and clarity welled up in me. Section chief Qi and I could hear each other's conversation clearly. Right now, I am about to leave Head Office C, You Meng, my colleagues and comrades