A new teaser site and trailer has been set up in Japan, The Elder Scrolls Online: Tamriel Unlimited will be released in Spring 2016, players can join the game everywhere in the world on console and PC.

It is currently unclear whether The Elder Scrolls Online in Japan will come pre-packed with the Imperial City DLC pack. A source says that Imperial City retails for 2,500 crowns or comes free with ESO Plus. ESO Plus is $14.99/month. It seems that it’s lot completely free-to-play.
The Elder Scrolls Online: Tamriel Unlimited released some new content including New PVE and PVP, Additional Dungeons, New Quests, Enemies, Characters, Additional Weapons, Armor, Currency, Imperial City-Exclusive Collectibles and Items.
New PVE and PVP Content
Featuring six distinct Imperial Districts, battle against the forces of Molag Bal as well as the other Alliances.
Additional Dungeons
The extensive Imperial Sewers network offers new PVP and PVE challenges for small groups of adventurers, while White-Gold Tower and Imperial Prison challenge PVE adventurers with both Normal and Veteran difficulties.
New Quests, Enemies, and Characters
Whether participating in massive PVP battles in the Imperial Districts or adventuring in one of the new dungeons, players will be introduced to new quests and enemies, including the Xivkyn.
Additional Weapons, Armor, and Currency
Fight the forces of Molag Bal to plunder Tel Var Stones, a new form of currency you can use for exclusive Veteran Rank 16 weapons and armor, or search for new Treasure Vaults containing other rare finds.
Imperial City-Exclusive Collectibles and Items
Exploring Imperial City or visiting the Crown Store will reward the player with a host of new collectibles including pets, mounts, costumes, and polymorphs!