SchoolFightingSimple/Assets/Scripts/JsonManager.cs

using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;

public class JsonManager : MonoBehaviour
{
    public static string JsonDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "ZData", "SmallSchoolPlatformer");
    public static int SelectedSave = 0;

    public int Save { get; set; }
    public static Charecter LoadChar()
    {
        string json = File.ReadAllText(Path.Combine(JsonDir, $"Save_{SelectedSave}.json"));
        Charecter charecter = JsonConvert.DeserializeObject<Charecter>(json);
        return charecter;
    }
}

public class Charecter
{
    public int x, y, z;
}