Because you gotta leverage that brand synergy. Just leverage the hell out of it. Leverage until it hurts.
"Wargaming.net is proud to present a partnership with the creators of Japanese anime series Arpeggio of Blue Steel -Ars Nova-: a military science fiction story which sees famous ships of the 20th Century recreated with a futuristic flair. Graviton particle cannons, corrosive warhead torpedoes and lasers, all mounted on legendary vessels such as Kongo, Takao or the mighty Yamato battleship."
http://worldofwarships.eu/en/news/common/arpeggio-1stannouncement/