Bachi followed Guo Wei and said, "Guo Director, there's no need to panic. This is because the passageway allows oxygen in. When oxygen meets phosphorus, it ignites the candles placed in advance inside...we just met..."Chen Ping could only give an awkward smile and then walked away!However, Chen Ping, who had left, was still restless. He never expected that Yumiko would actually be the eldest daughter...