Solution

db/models.py

@@ -1 +1,32 @@
 from django.db import models
+
+
+class Race(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(blank=True)
+
+
+class Skill(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    bonus = models.CharField(max_length=255)
+    race = models.ForeignKey(Race, on_delete=models.CASCADE,
+                             related_name="skill_set")
+
+
+class Guild(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(null=True)
+
+
+class Player(models.Model):
+    nickname = models.CharField(max_length=255, unique=True)
+    email = models.EmailField(max_length=255)
+    bio = models.CharField(max_length=255)
+    race = models.ForeignKey(Race,
+                             on_delete=models.CASCADE,
+                             related_name="player_set")
+    guild = models.ForeignKey(Guild,
+                              on_delete=models.SET_NULL,
+                              null=True,
+                              blank=True,)
+    created_at = models.DateTimeField(auto_now_add=True)

main.py

@@ -1,10 +1,45 @@
+from django.db.models import ForeignKey  # noqa: F401
 import init_django_orm  # noqa: F401
-
+import json
 from db.models import Race, Skill, Player, Guild
 
 
 def main() -> None:
-    pass
+    with open("players.json") as players_file:
+        players = json.load(players_file)
+
+    for name, value in players.items():
+
+        race, _ = Race.objects.get_or_create(
+            name=value["race"]["name"],
+            description=value["race"]["description"]
+        )
+
+        guild = None
+        if value["guild"] is not None:
+            guild, _ = Guild.objects.get_or_create(
+                name=value["guild"]["name"],
+                description=(
+                    value["guild"]["description"]
+                    if value["guild"]["description"]
+                    else None
+                ),
+            )
+
+        for skill in value["race"]["skills"]:
+            Skill.objects.get_or_create(
+                name=skill["name"],
+                bonus=skill["bonus"],
+                race=race,
+            )
+
+        Player.objects.create(
+            nickname=name,
+            email=value["email"],
+            bio=value["bio"],
+            race=race,
+            guild=guild,
+        )
 
 
 if __name__ == "__main__":