Falling in Love with You in the Sniper Delay of 0.03 Seconds

Cheng Ge (the female protagonist), the ace sniper of a modern international security company, was ambushed while performing a peacekeeping mission. Due to a poison gas bomb that caused short-term amnesia, she was accidentally captured by Shen Sui (the male protagonist), the heir to the rival group. This cynical upstart in the business world is actually an undercover agent, using Cheng Ge's remaining muscle memory to solve the crisis-ridden family succession battle.