// ==UserScript==
// @name         Mangaplus Custom Default Settings
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Custom default settings
// @author       You
// @match        https://mangaplus.shueisha.co.jp/*
// @grant        none
// @run-at       document-start
// ==/UserScript==
(function() {
/*
* quarity: low, high, super_high
* viewerMode: vertical, horizontal
*/
localStorage.setItem("quarity","super_high");
localStorage.setItem("viewerMode","horizontal");
})();