Koi Fish custom cursor

<style type="text/css">
body {
  cursor: url(https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/arrow.png) 4 4, auto;
}
a, button, .clickable {
  cursor: url(https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/hand.png) 4 4, pointer;
}
</style>
<a href="https://cutecursors.com//category/ocean-animals/koi-fish-animated-cursor" title="Get free Koi Fish cursors for your website.">
  Koi Fish Cursors
</a>

/* components/CuteCursor.jsx */
"use client";
import { useEffect } from "react";

const CURSOR = "https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/arrow.png";
const POINTER = "https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/hand.png";

export default function CuteCursor() {
  useEffect(() => {
    const style = document.createElement("style");
    style.innerHTML = `
      body { cursor: url(${CURSOR}) 4 4, auto; }
      a, button, .clickable { cursor: url(${POINTER}) 4 4, pointer; }
    `;
    document.head.appendChild(style);
    return () => style.remove();
  }, []);

  return null;
}

/* Usage: render <CuteCursor /> once, e.g. in your root layout or App:
   <CuteCursor />
   Koi Fish cursors by https://cutecursors.com//category/ocean-animals/koi-fish-animated-cursor */

-- Koi Fish custom cursor for Roblox
-- LocalScript (place it in StarterPlayer > StarterPlayerScripts)
--
-- 1) Download the cursor images (buttons above) or grab them here:
--    Cursor:  https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/arrow.png
--    Pointer: https://cdn.cutecursors.com/cdn-sweezy/packs/koi-fish-animated-cursor/hand.png
-- 2) Upload them in Roblox Creator Hub as Decals (Create > Decals).
-- 3) Replace the IDs below with your uploaded Image asset IDs.

local UserInputService = game:GetService("UserInputService")
local Players = game:GetService("Players")

local CURSOR_ICON = "rbxassetid://CURSOR_ASSET_ID"
local POINTER_ICON = "rbxassetid://POINTER_ASSET_ID"

-- Set the default cursor
UserInputService.MouseIcon = CURSOR_ICON

-- Optional: switch to the pointer icon while hovering GUI buttons
local function hookButton(button)
	button.MouseEnter:Connect(function()
		UserInputService.MouseIcon = POINTER_ICON
	end)
	button.MouseLeave:Connect(function()
		UserInputService.MouseIcon = CURSOR_ICON
	end)
end

local playerGui = Players.LocalPlayer:WaitForChild("PlayerGui")
for _, gui in ipairs(playerGui:GetDescendants()) do
	if gui:IsA("GuiButton") then
		hookButton(gui)
	end
end
playerGui.DescendantAdded:Connect(function(gui)
	if gui:IsA("GuiButton") then
		hookButton(gui)
	end
end)

-- Koi Fish cursors: https://cutecursors.com//category/ocean-animals/koi-fish-animated-cursor