Event Period: 2021-03-23 01:00 - 04-05 20:59 PDT. Event Summary:<br>The Limited Time Event "Tokugawa Restoration Labyrinth, Ooku" is here!<br>Hoping to deal with the inexplicable external attack, you hurry to Rayshift to its source: a new Singularity.<br>Explore the massive underground labyrinth that was once the Ooku of Edo Castle as you search for its deepest level.. In this event, you will descend through a map composed of several levels.<br>Find the path to the deepest level among the innume