O.K. I know these Evony type games are known ripping off artwork in their ads and using cheesecake fan service to entice gamers; but this just got bizarrely meta
The character in that ad is Shimakaze (she's a moe anthropomorphization of a WWII era destroyer) from Kantai Collection/KanColle which is just about the biggest thing over on Japan's side of the internet fandom right now.
So it's an online browser based game that tries to use cheesecake fan service to entice gamers that advertises by stealing fan art based on another online browser based game that tries to use cheesecake fan service to entice gamers.
Joris: Your story makes me want to have a little brother, Papycha. Isn't that weird?
Kerubim: Don't worry, Jojo. You have your whole life to meet new brothers. Some you will choose, others will ruin your life, and others still will make it worth living...