HeavenStudioPlus/Assets/Scripts/UI/Prologue.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Prologue : MonoBehaviour
{
    [SerializeField] private float waitSeconds;

    public GameObject Holder;
    public GameObject pressAny;

    bool inPrologue = false;

    private void Update()
    {
        if (Input.anyKeyDown && !inPrologue)
        {
            pressAny.SetActive(false);
            Holder.SetActive(true);
            StartCoroutine(Wait());
            inPrologue = true;
        }
    }

    IEnumerator Wait()
    {
        transform.GetChild(0).gameObject.SetActive(false);
        yield return new WaitForSeconds(1);
        transform.GetChild(0).gameObject.SetActive(true);
        yield return new WaitForSeconds(waitSeconds);
        transform.GetChild(0).gameObject.SetActive(false);
        yield return new WaitForSeconds(2);
        UnityEngine.SceneManagement.SceneManager.LoadScene(1);
    }
}