W!zzAir (as they write it) or Wizz Air Hungary Légiközlekedési is a Hungarian discount airline, which operates on a large geological area from Sweden and Finland in the north to for example Macedonia in the south. They have in 2018 104 aeroplanes flying to 143 destinations. Most destinations are smaller airports rather than the expensive huge hubs. Their whole fleet consists of Airbus 320, 321, 320neo or 321neo planes. This HU-LNG one is a 320 in W!zzAir's newest livery.
Picture from Skopje, Macedonia 28.10.2018 by Ilkka Siissalo.

Another W!zzAir Airbus 320, but this one is wearing the company's previous livery.
Picture from Skopje International Airport 28.10.2018 by Ilkka Siissalo.

HA-LVC is an Airbus A321 version 100. It's a new machine, delivered to W!zzAir in spring 2019.
Picture from Budapest International Airport 25.8.2019 by Markku Salo.