diff --git a/SessionCompanion/SessionCompanion.Database/ApplicationDbContext.cs b/SessionCompanion/SessionCompanion.Database/ApplicationDbContext.cs
new file mode 100644
index 0000000..9a8bd11
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/ApplicationDbContext.cs
@@ -0,0 +1,49 @@
+using Microsoft.EntityFrameworkCore;
+using SessionCompanion.Database.Tables;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SessionCompanion.Database
+{
+    public class ApplicationDbContext : DbContext
+    {
+        public virtual DbSet<Alignment> Alignments { get; set; }
+        public virtual DbSet<Background> Backgrounds { get; set; }
+        public virtual DbSet<Biography> Biographies { get; set; }
+        public virtual DbSet<Character> Characters { get; set; }
+        public virtual DbSet<Class> Classes { get; set; }
+        public virtual DbSet<Race> Races { get; set; }
+        public virtual DbSet<Statistics> Statistics { get; set; }
+        public virtual DbSet<User> Users { get; set; }
+
+        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : base(options) { }
+    }
+
+    protected override void OnModelCreating(ModelBuilder builder)
+    {
+        base.OnModelCreating(builder);
+        builder.Entity<User>().HasData(
+            new
+            {
+                Id = 1,
+                Nickname = "Morwiec",
+                Password = "123"
+            },
+                new
+                {
+                    Id = 2,
+                    Nickname = "Cichoklepiec",
+                    Password = "123"
+                },
+                new
+                {
+                    Id = 3,
+                    Nickname = "Ruletka",
+                    Password = "123"
+                }
+            );
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/SessionCompanion.Database.csproj b/SessionCompanion/SessionCompanion.Database/SessionCompanion.Database.csproj
new file mode 100644
index 0000000..b9c845f
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/SessionCompanion.Database.csproj
@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Repositories\" />
+  </ItemGroup>
+
+</Project>
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Alignment.cs b/SessionCompanion/SessionCompanion.Database/Tables/Alignment.cs
new file mode 100644
index 0000000..a5e5d2c
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Alignment.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Alignment : BaseEntity
+    {
+        public virtual ICollection<Biography> Biography { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Background.cs b/SessionCompanion/SessionCompanion.Database/Tables/Background.cs
new file mode 100644
index 0000000..7bedfae
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Background.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Background : BaseEntity
+    {
+        public virtual ICollection<Biography> Biography { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/BaseEntity.cs b/SessionCompanion/SessionCompanion.Database/Tables/BaseEntity.cs
new file mode 100644
index 0000000..4761d98
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/BaseEntity.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class BaseEntity
+    {
+        [Key]
+        public int Id { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Biography.cs b/SessionCompanion/SessionCompanion.Database/Tables/Biography.cs
new file mode 100644
index 0000000..512a813
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Biography.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Biography : BaseEntity
+    {
+        [ForeignKey(nameof(Character))]
+        public int CharacterId { get; set; }
+        public virtual Character Character { get; set; }
+
+        public string Name { get; set; }
+
+        [ForeignKey(nameof(Class))]
+        public int ClassId { get; set; }
+        public virtual Class Class { get; set; }
+
+        [ForeignKey(nameof(Race))]
+        public int RaceId { get; set; }
+        public virtual Race Race { get; set; }
+
+        [ForeignKey(nameof(Alignment))]
+        public int AlignmentId { get; set; }
+        public virtual Alignment Alignment { get; set; }
+
+        [ForeignKey(nameof(Background))]
+        public int BackgroundId { get; set; }
+        public virtual Background Background { get; set; }
+
+        public string Sex { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Character.cs b/SessionCompanion/SessionCompanion.Database/Tables/Character.cs
new file mode 100644
index 0000000..0c2cff7
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Character.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Character : BaseEntity
+    {
+        [ForeignKey(nameof(User))]
+        public int UserId { get; set; }
+        public virtual User User { get; set; }
+        public virtual Biography Biography { get; set; }
+        public virtual Statistics Statistics { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Class.cs b/SessionCompanion/SessionCompanion.Database/Tables/Class.cs
new file mode 100644
index 0000000..ce73e7c
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Class.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Class : BaseEntity
+    {
+        public string Name { get; set; }
+        //public int HitDie { get; set; }
+
+        public virtual ICollection<Biography> Biography { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Race.cs b/SessionCompanion/SessionCompanion.Database/Tables/Race.cs
new file mode 100644
index 0000000..07b04a1
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Race.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Race : BaseEntity
+    {
+        public string Name { get; set; }
+        public virtual ICollection<Biography> Biography { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/Statistics.cs b/SessionCompanion/SessionCompanion.Database/Tables/Statistics.cs
new file mode 100644
index 0000000..a5c36e5
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/Statistics.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class Statistics : BaseEntity
+    {
+        [ForeignKey(nameof(Character))]
+        public int CharacterId { get; set; }
+        public virtual Character Character { get; set; }
+
+        public int ExperiencePoints { get; set; }
+        public int Level { get; set; }
+        public int Speed { get; set; }
+        public int Initiative { get; set; }
+        public int HealthPoints { get; set; }
+        public int CurrentHealthPoints { get; set; }
+        public int ArmorClass { get; set; }
+        public int Proficiency { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.Database/Tables/User.cs b/SessionCompanion/SessionCompanion.Database/Tables/User.cs
new file mode 100644
index 0000000..bbebdeb
--- /dev/null
+++ b/SessionCompanion/SessionCompanion.Database/Tables/User.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SessionCompanion.Database.Tables
+{
+    public class User : BaseEntity
+    {
+        public string Nickname { get; set; }
+        public string Password { get; set; }
+        public ICollection<Character> Character { get; set; }
+    }
+}
diff --git a/SessionCompanion/SessionCompanion.sln b/SessionCompanion/SessionCompanion.sln
index d6d9420..0b42c62 100644
--- a/SessionCompanion/SessionCompanion.sln
+++ b/SessionCompanion/SessionCompanion.sln
@@ -1,25 +1,31 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.30717.126
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SessionCompanion", "SessionCompanion\SessionCompanion.csproj", "{C646135F-16CE-4B16-B041-252D343D4E01}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{C646135F-16CE-4B16-B041-252D343D4E01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{C646135F-16CE-4B16-B041-252D343D4E01}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{C646135F-16CE-4B16-B041-252D343D4E01}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C646135F-16CE-4B16-B041-252D343D4E01}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {121AE434-C579-4495-9318-0D7D7DBE0FD8}
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30717.126
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SessionCompanion", "SessionCompanion\SessionCompanion.csproj", "{C646135F-16CE-4B16-B041-252D343D4E01}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SessionCompanion.Database", "SessionCompanion.Database\SessionCompanion.Database.csproj", "{CA05189B-A4AB-4946-80DC-EFA075A10F09}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C646135F-16CE-4B16-B041-252D343D4E01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C646135F-16CE-4B16-B041-252D343D4E01}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C646135F-16CE-4B16-B041-252D343D4E01}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C646135F-16CE-4B16-B041-252D343D4E01}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CA05189B-A4AB-4946-80DC-EFA075A10F09}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CA05189B-A4AB-4946-80DC-EFA075A10F09}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CA05189B-A4AB-4946-80DC-EFA075A10F09}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CA05189B-A4AB-4946-80DC-EFA075A10F09}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {121AE434-C579-4495-9318-0D7D7DBE0FD8}
+	EndGlobalSection
+EndGlobal