diff --git a/PKHeX.Core/Saves/Substructures/Gen8/Daycare8.cs b/PKHeX.Core/Saves/Substructures/Gen8/Daycare8.cs
new file mode 100644
index 000000000..f6f009593
--- /dev/null
+++ b/PKHeX.Core/Saves/Substructures/Gen8/Daycare8.cs
@@ -0,0 +1,98 @@
+using System;
+
+namespace PKHeX.Core
+{
+    /// <summary>
+    /// Storage for the two in-game daycare structures.
+    /// </summary>
+    public sealed class Daycare8 : SaveBlock
+    {
+        public Daycare8(SaveFile sav, SCBlock block) : base(sav, block.Data) { }
+
+        // BLOCK STRUCTURE:
+        // bool8 present
+        // pk8 entry1
+        // bool8 present
+        // pk8 entry2
+        // daycare metadata (0x26)
+        // bool1 present
+        // pk8 entry1
+        // bool1 present
+        // pk8 entry2
+        // daycare metadata (0x26)
+
+        // daycare metadata:
+        // u16 ??
+        // u32 ?step count since last update?
+        // u64 RNG seed
+        // 0x18 unk
+
+        /// <summary>
+        /// Size of each PKM data stored (bool, pk8)
+        /// </summary>
+        private const int STRUCT_SIZE = 1 + PKX.SIZE_8STORED;
+
+        /// <summary>
+        /// Size of each daycare (both entries &amp; metadata)
+        /// </summary>
+        private const int DAYCARE_SIZE = (2 * STRUCT_SIZE) + 0x26;
+
+        private const int META_1 = (2 * STRUCT_SIZE);
+        private const int META_2 = DAYCARE_SIZE + META_1;
+
+        public bool GetDaycare1SlotOccupied(int slot)
+        {
+            if ((uint) slot >= 2)
+                throw new IndexOutOfRangeException(nameof(slot));
+
+            return Data[GetDaycare1StructOffset(slot)] == 1;
+        }
+
+        public bool GetDaycare2SlotOccupied(int slot)
+        {
+            if ((uint)slot >= 2)
+                throw new IndexOutOfRangeException(nameof(slot));
+
+            return Data[GetDaycare2StructOffset(slot)] == 1;
+        }
+
+        public static int GetDaycare1StructOffset(int slot)
+        {
+            if ((uint)slot >= 2)
+                throw new IndexOutOfRangeException(nameof(slot));
+
+            return 0 + (slot * STRUCT_SIZE);
+        }
+
+        public static int GetDaycare2StructOffset(int slot)
+        {
+            if ((uint)slot >= 2)
+                throw new IndexOutOfRangeException(nameof(slot));
+
+            return DAYCARE_SIZE + (slot * STRUCT_SIZE);
+        }
+
+        public static int GetDaycareSlotOffset(int daycare, int slot)
+        {
+            return daycare switch
+            {
+                0 => (1 + GetDaycare1StructOffset(slot)),
+                1 => (1 + GetDaycare2StructOffset(slot)),
+                _ => throw new IndexOutOfRangeException(nameof(daycare))
+            };
+        }
+
+        public static int GetDaycareMetadataOffset(int daycare)
+        {
+            return daycare switch
+            {
+                0 => META_1,
+                1 => META_2,
+                _ => throw new IndexOutOfRangeException(nameof(daycare))
+            };
+        }
+
+        public ulong GetDaycareSeed(int daycare) => BitConverter.ToUInt64(Data, GetDaycareMetadataOffset(daycare) + 6);
+        public void SetDaycareSeed(int daycare, ulong value) => SAV.SetData(Data, BitConverter.GetBytes(value), GetDaycareMetadataOffset(daycare) + 6);
+    }
+}
\ No newline at end of file
diff --git a/PKHeX.Core/Saves/Substructures/Gen8/Fused8.cs b/PKHeX.Core/Saves/Substructures/Gen8/Fused8.cs
index 5a923e74f..74162628b 100644
--- a/PKHeX.Core/Saves/Substructures/Gen8/Fused8.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen8/Fused8.cs
@@ -1,7 +1,8 @@
-using System;
-
-namespace PKHeX.Core
+namespace PKHeX.Core
 {
+    /// <summary>
+    /// Storage for the Fused species, <see cref="Species.Kyurem"/>, <see cref="Species.Solgaleo"/>, <see cref="Species.Lunala"/>
+    /// </summary>
     public sealed class Fused8 : SaveBlock
     {
         public Fused8(SaveFile sav, SCBlock block) : base(sav, block.Data) { }
@@ -13,54 +14,4 @@ public static int GetFusedSlotOffset(int slot)
             return PKX.SIZE_8PARTY * slot;
         }
     }
-
-    public sealed class Daycare8 : SaveBlock
-    {
-        public Daycare8(SaveFile sav, SCBlock block) : base(sav, block.Data) { }
-
-        private const int STRUCT_SIZE = 4 + PKX.SIZE_8STORED;
-        private const int DAYCARE_SIZE = (2 * STRUCT_SIZE) + 0x26;
-
-        public bool GetDaycare1SlotOccupied(int slot)
-        {
-            if ((uint) slot >= 2)
-                throw new IndexOutOfRangeException(nameof(slot));
-
-            return Data[GetDaycare1StructOffset(slot)] == 1;
-        }
-
-        public bool GetDaycare2SlotOccupied(int slot)
-        {
-            if ((uint)slot >= 2)
-                throw new IndexOutOfRangeException(nameof(slot));
-
-            return Data[GetDaycare2StructOffset(slot)] == 1;
-        }
-
-        public static int GetDaycare1StructOffset(int slot)
-        {
-            if ((uint)slot >= 2)
-                throw new IndexOutOfRangeException(nameof(slot));
-
-            return 0 + (slot * STRUCT_SIZE);
-        }
-
-        public static int GetDaycare2StructOffset(int slot)
-        {
-            if ((uint)slot >= 2)
-                throw new IndexOutOfRangeException(nameof(slot));
-
-            return DAYCARE_SIZE + (slot * STRUCT_SIZE);
-        }
-
-        public static int GetDaycareSlotOffset(int daycare, int slot)
-        {
-            return daycare switch
-            {
-                0 => (4 + GetDaycare1StructOffset(slot)),
-                1 => (4 + GetDaycare2StructOffset(slot)),
-                _ => throw new IndexOutOfRangeException(nameof(daycare))
-            };
-        }
-    }
 }
\ No newline at end of file