Grace Field Headquarters

''This article is about the Manga version of Grace Field Headquarters. For alternate pages referred to by this name, please click any of the icons above.''

Grace Field Headquarters (グレースフィールド本部, Gurēsufīrudo honbu) is the sixth plantation at Grace Field House and the main building from which the farm operates. It is where Grandma, the Demons workers, the Sisters, and girls training to become Sisters and Mamas reside.

Appearance
Grace Field Headquarters is made up of a small building above the surface and a large underground complex with nine floors in total. The surface is the only plantation at Grace Field House that does not have a forest surrounding it. The only bridge for going to and from the farm is located in front of Grace Field Headquarters. In contrast to the houses on each plantation, Grace Field Headquarters appears to be full of modern technology and high tech devices. It contains a sisters school, grandma's private room, a control room, a CPU room, the Demon's private room, the Ratri Clan's guest room, a nursery for zero to one years olds, a child-birthing room, a hospital/medical care unit, two storage rooms, an execution room, multiple prison cells, the Sister's quarters, the Demons quarter's, a laundry room, several bathrooms, shower rooms and changing rooms, a cafeteria, an underground garden, a sewage/power room, and a portal to the Human World located on the lowest floor which is used for bringing food, toys, clothes, and others supplies to the farm.

Known Inhabitants

 * Numerous unnamed Demons (Some deceased and some still alive)
 * Numerous unnamed Mamas (Some deceased and some still alive)
 * Numerous unnamed Sisters (Some deceased and some still alive)
 * Numerous unnamed employees and subordinates (Some deceased and some still alive)

Trivia

 * All of the human researchers at Headquarters are from the Ratri Clan.