Greasy Fork is available in English.
This script restores the old bookmark behavior on Pixiv.
// ==UserScript==
// @name Restore old Pixiv bookmarks
// @namespace shurikn
// @description This script restores the old bookmark behavior on Pixiv.
// @include https://www.pixiv.net/member_illust.php?*
// @version 2.01
// @require http://greasyfork.icu/scripts/5392-waitforkeyelements/code/WaitForKeyElements.js?version=19641
// @require http://code.jquery.com/jquery-latest.js
// @grant none
// ==/UserScript==
function changeFavButton(elements)
{
var $button=elements.find(".gtm-main-bookmark");
if($button.length>0)
{
var illustId=new URLSearchParams(window.location.search).get('illust_id');
$button.on('click',function(event){
window.location="/bookmark_add.php?type=illust&illust_id="+illustId;
event.stopImmediatePropagation();
});
}
}
// this id seems to change once in a while, this is the class of the
// section holding the bookmark button
waitForKeyElements ("._2g7Dix7", changeFavButton);