https://exvius.gamepedia.com/Summon_Simulator/20170811 summon w/tickets until 9S achived.

neir_summon_inject.js

function repeatSummonTickets(target) {
    $('.gacha-result').text("");

    $('.loading img').attr("src", "").attr("src", $('.loading img').data("src"));
    $('.loading').show();

    var obtained_5 = [];
    var obtained_4 = [];
    var obtained_3 = [];
    var obtained = [];
    var tickets = 0;

    var trigger = false;

    while (trigger === false) {
        // randomize base
        var random;

        tickets += 1;
        if (tickets > 500)
        {
            break;
        }
        
        {
            random = chance.weighted(arrayColumn(banner_rate, 0), arrayColumn(banner_rate, 1));
        }

        var banner = random.split("_");
        var rarity = parseInt(banner[0]);
        var featured = banner[1] == 'ft' ? true : false;

        // randomize selection within pool
        var pool = _.where(units, {base: rarity, featured: featured});

        var result = chance.integer({min: 0, max: pool.length - 1});
        var name = pool[result].name;

        obtained.push(name);
        if (name == target) {
            trigger = true;
        }
        
        if (rarity == 5) {
            obtained_5.push(name);
        }
        else if(rarity == 4) {
            obtained_4.push(name);

        }
        else if (rarity == 3) {
            obtained_3.push(name);
        }
    }

    // result = '5* count ' + total_5 + '<br>';
    // result = '4* count ' + total_4 + '<br>';
    // result = '3* count ' + total_4 + '<br>';  

    html = ""
    if (!trigger) {
        html += '<b>FAILURE to summon ' + target + '</b><br>';
    }

    html += 'Attempts = ' + tickets + '<br>';
    html += 'Tickets used = ' + tickets + '<br>';
    html += '5&#9733; (' + obtained_5.length + ') = ';
    for (i = 0; i < obtained_5.length; i++) {
        html += obtained_5[i] + ' ';
    }
    html += '<br>';
    html += '4&#9733; (' + obtained_4.length + ') = ';
    for (i = 0; i < obtained_4.length; i++) {
        html += obtained_4[i] + ' ';
    }
    html += '<br>';
    html += '3&#9733; (' + obtained_3.length + ') = ';
    for (i = 0; i < obtained_3.length; i++) {
        html += obtained_3[i] + ' ';
    }

    html += '<br>';
    html += 'order (' + obtained.length + ') = ';
    for (i = 0; i < obtained.length; i++) {
        html += i + ' - ' + obtained[i] + '<br> ';
    }    

    $('.gacha-result').html(html);

    $('.loading img').attr("src", "");
    $('.loading').hide();
}                                        

repeatSummonTickets('9S');