Smite (Popular MOBA) developers announced that next pantheon will be Japanese. In SMITE you play for gods and fight against other gods. Game have 5 modes Conquest, Arena, Joust, Assault and Siege.
Smite Japanese Pantheon
HiRez (SMITE Developers) still not announced which god will be released first but most players think that it can be Raijin.

Japanese gods that we probably will see in Smite -
Tamamo no Mae
Yamato no Orochi
Izanagi
Izanami
Bakeneko
Yatagarasu
Yuki-onna
Zennyo Ryūō
Sōjōbō
Amaterasu-Ō-Mi-Kami
Ame-no-Uzume
Suijin
Susanoo-no-Mikoto
Toyotama-hime
Amatsu-Mikaboshi
Ōhoyamatsumi
Raijin

Less chance to see them but still possible -
Benzaiten
Bishamonten
Daikokuten
Ebisu
Fukurokuju
Hotei
Jurōjin

Thanks to Shouki for the list.

SMITE Gameplay
Currently Smite have -
7 Hindu Gods
8 Mayan Gods
11 Egyptian Gods
9 Roman Gods
15 Greek Gods
11 Norse Gods
10 Chinese Gods

Why did HiRez decide to release Japanese gods? because Japanese theme very popular. I think developers been wait until game become less popular and with Japanese Pantheon coming in Q1 they get tons new players that ready to buy heroes, skins and other things for them.