C95 Large Joint Mission
Miyamoto Yasushi was a soldier who had received guerrilla training in France.
Therefore, when he got the gun that looked like a hairdryer, he did not hesitate much and pulled both the triggers.
Obviously, it was this unique experience that came from his military career that allowed him to successfully trigger the X-GUN's' Lockdown + Launch 'function on his first try.
Thus, a few seconds passed