Yashiro is kidnapped to have tea with Sakura, and the two end up grouching about their own contracts they have made. However, this is all just a ruse to have her let down her guard, and Yashiro ends up being chained to a chair and drowned into a place of nowhere - a place that is neither a Boundary nor a part of the Far or Near Shore. Because it is nowhere, it is also a place that can lead to anywhere, with numerous doors leading to different destinations all over different worlds and across time...