Always Nova.user.js

// ==UserScript==
// @name         Always Nova
// @match        https://kissanime.ru/Anime/*
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';
    (async (window, document) => {
        const qsa = (s, e = document) => [].slice.call(e.querySelectorAll(s));
        qsa('a[href]').forEach(link => {
            const u = new URL(link.href);
            if (/\/Anime\/[^\/]+\/[^\/]+/.test(u.pathname)) {
                u.searchParams.set('s', 'nova');
                link.href = u.toString();
            }
        });
    })(unsafeWindow, unsafeWindow.document);
})();

Fix Novelplanet links.user.js

// ==UserScript==
// @name         Fix Novelplanet links
// @match        https://www.novelplanet.me/f/*
// @run-at       document-end
// @updateUrl    https://gist.githubusercontent.com/Fordi/d617a570adf0fd2621cce8b3c2465bb3/raw/Fix%2520Novelplanet%2520links.user.js
// ==/UserScript==

(function() {
    'use strict';
    (async (vid, document) => {
        const ofn = document.querySelector('.title').textContent
        .replace(/\.(mp4|avi|webm|mpe?g|mov|mkv)$/, '')
        .replace(/\s?\[[^\]]+\]\s?/g, '');
        const dl = document.querySelector('#downloads')
        while (dl.firstChild) {
            dl.removeChild(dl.firstChild);
        }
        const getLinks = async () => {
            const { data } = await fetch(`/api/source/${vid}`, { method: 'post' })
            .then(response => response.text())
            .then(JSON.parse);
            if (typeof data === 'string') {
                dl.appendChild(document.createTextNode(data));
            } else {
                data.forEach(entry => {
                    const p = document.createElement('p')
                    p.className = 'control';
                    const a = document.createElement('a');
                    a.className = 'button is-medium is-success clickdownload';
                    a.href = entry.file;
                    a.download = `${ofn} [${entry.label}].${entry.type}`;
                    a.textContent = entry.label;
                    p.appendChild(a);
                    dl.appendChild(p);
                    p.appendChild(document.createElement('br'));
                    const button = document.createElement('button');
                    button.textContent = 'Copy wget';
                    p.appendChild(button);
                    button.addEventListener('click', () => {
                        const tmp = document.createElement('textarea');
                        tmp.innerHTML = `wget "${entry.file}" --no-check-certificate -O "${ofn}.mp4"\n`;
                        document.body.appendChild(tmp);
                        tmp.select();
                        document.execCommand('copy');
                        document.body.removeChild(tmp);
                    });
                    return p;
                });
            }
        };
        await getLinks();
        await getLinks();
    })(unsafeWindow.location.pathname.replace(/^.*\/f\/(.*)$/, '$1'), unsafeWindow.document);
})();