I'm with you on V-power, at the very least premium unleaded, and even that doesn't run it's best.
I don't think you'll experience pinking, ECU will take care of that, BUT, that's why it run's like a bag of ass. It retards the timing slightly to avoid detonation (pinking) leaving your performance capped.
95 RON is actually more explosive than 99 RON, which is a strange concept to get around. However, with the more volatile fuel comes pre ignition, which is fuel igniting from residual heat/compression before TDC. You can imagine the stress this puts on engine components as your piston is on it's up stroke, which is forced up by other pistons being pushed down from ignition, all of sudden you have a pre ignition and it loads the piston tremendously in the opposite direction.
Not only do you stress your engine components, but all that energy you just used to do it, is now wasted and not where you want it, at the wheels. All this translates to higher octane = less detonation and less detonation allows higher compression ratio, which in turn provides higher temperatures and pressures. No need for the thermodynamics, but it all equals more power
So ECU does stop det, by altering the ignition timing, but why bother risking it, it definitely won't have any positive effects, apart from your wallet. If you use 99 RON, your ECU can have it's design timing, meaning you get the best performance and economy. So on all levels, if a car is designed to be used with premium fuels, use premium as much as you possibly can.