Provided is a window system including a first window that extends in a first direction, and that partially overlaps a second window in the first direction. The second window extends in the first direction, and is offset from the first window in a second direction that is orthogonal to the first direction. The window system includes a connector that is configured to connect the first window and the second window, and that is disposed in an area between the first window and the second window in the second direction and where the first window partially overlaps the second window in the first direction.