h&k p30
The P30 is a polymer-framed handgun manufactured by Heckler & Koch, available in 9×19mm and .40 S&W.
The gun can be recognized by its small rounded hammer, dovetail rear sight, angular trigger guard, finger grooves, railed dust cover and large diagonal serrations.
It is the weapon of choice of Kayoko from Blue Archive as well as John Wick (P30L variant with a compensator).