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diff --git a/public/bg/bg5.png b/public/bg/bg5.png
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diff --git a/public/ex/Electrolize-Regular.ttf b/public/ex/Electrolize-Regular.ttf
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diff --git a/public/ex/NotoSansJP-Regular.otf b/public/ex/NotoSansJP-Regular.otf
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diff --git a/public/ex/fa-solid-900.ttf b/public/ex/fa-solid-900.ttf
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diff --git a/public/ex/footer.png b/public/ex/footer.png
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diff --git a/public/ex/no-cover.png b/public/ex/no-cover.png
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diff --git a/public/index.php b/public/index.php
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--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,183 @@
+<?php
+define('SIG_WIDTH', 600);
+define('SIG_HEIGHT', 100);
+define('SIG_STATIC', '/tmp/sig-img-1HxTH4MQ.png');
+define('SIG_AGE', 60);
+define('SIG_FOOTER', __DIR__ . '/ex/footer.png');
+define('FW_FONT_FAM', __DIR__ . '/ex/Electrolize-Regular.ttf');
+define('FW_FONT_SIZE', 30);
+define('FW_TEXT', 'flashwave');
+define('FA_FONT_FAM', __DIR__ . '/ex/fa-solid-900.ttf');
+define('NP_FONT_FAM', __DIR__ . '/ex/NotoSansJP-Regular.otf');
+define('NP_FONT_SIZE', 16);
+define('NP_FILE', '/tmp/sig-np-NGowpEMJ.json');
+define('NP_URL', 'https://now.flash.moe/get.php?u=flashwave_');
+define('NP_COVER', '/tmp/sig-cover-h1coc2SW.png');
+define('NP_COVER_URL', '/tmp/sig-cover-url-9vXPUgCi.txt');
+define('NP_COVER_URL_DEFAULT', 'https://lastfm.freetls.fastly.net/i/u/174s/2a96cbd8b46e442fc41c2b86b821562f.png');
+define('NP_COVER_DEFAULT', __DIR__ . '/ex/no-cover.png');
+define('BG_PATH', __DIR__ . '/bg');
+
+$reqMethod = $_SERVER['REQUEST_METHOD'];
+$reqPath = '/' . trim(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH), '/');
+
+if($reqMethod !== 'HEAD' && $reqMethod !== 'GET') {
+    http_response_code(405);
+    header('Allow: GET, HEAD');
+    return;
+}
+
+if($reqPath === '/np' || $reqPath === '/redir.php') {
+    http_response_code(302);
+    $np = json_decode(file_get_contents(NP_FILE));
+
+    if(!empty($np[0]->nowplaying) && !empty($np[0]->url))
+        header('Location: ' . $np[0]->url);
+    else
+        header('Location: https://flash.moe');
+    return;
+}
+
+if($reqPath === '/source' || $reqPath === '/sig-src.php') {
+    http_response_code(301);
+    header('Location: https://git.flash.moe/flash/signature');
+    return;
+}
+
+if(in_array($reqPath, [
+    '/', '/index.php', '/signature.php', '/signature.png',
+    '/album.png', '/album1.png', '/album2.png',
+    '/body.png', '/body1.png', '/body2.png',
+])) {
+    $currentDate = (int)ltrim(date('md'), '0');
+
+    if($currentDate > 1205 && $currentDate < 1227) {
+        define('BG_IMAGE', 'bg5.png');
+    } else {
+        define('BG_IMAGE', 'bg4.png');
+    }
+
+    if(!isset($_GET['_force']) && is_file(SIG_STATIC) && time() - filemtime(SIG_STATIC) < SIG_AGE) {
+        header('X-Sig-State: cache');
+        $imagick = new Imagick(SIG_STATIC);
+    } else {
+        header('X-Sig-State: fresh');
+        $ip_000 = new ImagickPixel('#000');
+        $ip_fff = new ImagickPixel('#fff');
+
+        $npRaw = file_get_contents(NP_URL);
+        $np = json_decode($npRaw);
+
+        if(is_array($np)) {
+            file_put_contents(NP_FILE, $npRaw);
+
+            if(empty($np[0]->images->large) || $np[0]->images->large === NP_COVER_URL_DEFAULT) {
+                unlink(NP_COVER);
+                file_put_contents(NP_COVER_URL, '');
+            } elseif(!empty($np[0]->images->large) && $np[0]->images->large !== file_get_contents(NP_COVER_URL)) {
+                unlink(NP_COVER);
+                file_put_contents(NP_COVER_URL, $np[0]->images->large);
+                file_put_contents(NP_COVER, file_get_contents($np[0]->images->large));
+            }
+        }
+
+        if(empty($np))
+            $np = json_decode(file_get_contents(NP_FILE));
+
+        $nowPlaying = is_array($np) && !empty($np[0]->nowplaying);
+
+        $imagick = new Imagick;
+        $imagick->newImage(SIG_WIDTH, SIG_HEIGHT, $ip_000, 'png');
+
+        $background = new Imagick(BG_PATH . DIRECTORY_SEPARATOR . BG_IMAGE);
+        $imagick->compositeImage($background, Imagick::COMPOSITE_COPY, 0, 0);
+        $background->destroy();
+
+        $footer = new Imagick(SIG_FOOTER);
+        $imagick->compositeImage($footer, Imagick::COMPOSITE_MATHEMATICS, 0, SIG_HEIGHT - $footer->getImageHeight());
+        $footer->destroy();
+
+        $hasCover = $nowPlaying && is_file(NP_COVER);
+
+        if($hasCover) {
+            $npCover = new Imagick(/*is_file(NP_COVER) ?*/ NP_COVER /*: NP_COVER_DEFAULT*/);
+            $npCover->resizeImage(80, 80, Imagick::FILTER_CATROM, 0.9, true);
+            $imagick->compositeImage($npCover, Imagick::COMPOSITE_COPY, SIG_WIDTH - 90, 10);
+            $npCover->destroy();
+        }
+
+        $imagickDraw = new ImagickDraw;
+        $imagickDraw->setFillColor(BG_IMAGE === 'bg4.png' ? $ip_000 : $ip_fff);
+        $imagickDraw->setFont(FW_FONT_FAM);
+        $imagickDraw->setFontSize(FW_FONT_SIZE);
+
+        $imagickLogo = new Imagick();
+        $imagickLogo->newImage($imagick->getImageWidth(), $imagick->getImageHeight(), new ImagickPixel('none'), 'png');
+        $imagickLogo->annotateImage($imagickDraw, $hasCover ? 367 : 457, 60, 0, FW_TEXT);
+
+        $imagickShadow = clone $imagickLogo;
+        $imagickShadow->shadowImage(80, 5, 0, 0);
+        $imagickShadow->compositeImage($imagickLogo, Imagick::COMPOSITE_OVER, 4, 2);
+        $imagickLogo->destroy();
+
+        $imagick->compositeImage($imagickShadow, Imagick::COMPOSITE_OVER, -4, -2);
+        $imagickShadow->destroy();
+
+        $imagickDraw->setFillColor($ip_fff);
+        $imagickDraw->setFont(NP_FONT_FAM);
+        $imagickDraw->setFontSize(NP_FONT_SIZE);
+
+        if($nowPlaying) {
+            $imagick->annotateImage($imagickDraw, 40, 91, 0, sprintf('%s - %s', $np[0]->artist->name ?? '', $np[0]->name ?? ''));
+            $imagickDraw->setFont(FA_FONT_FAM);
+            $imagick->annotateImage($imagickDraw, 10, 91, 0, "\u{f001}");
+        } else {
+            $imagick->annotateImage($imagickDraw, 10, 91, 0, "If it ain't broke, I'll break it");
+        }
+
+        file_put_contents(SIG_STATIC, $imagick->getImageBlob());
+    }
+
+    $fileName = pathinfo($reqPath, PATHINFO_FILENAME);
+
+    switch($fileName) {
+        case 'album':
+            $imagick->cropImage(SIG_HEIGHT, SIG_HEIGHT, SIG_WIDTH - SIG_HEIGHT, 0);
+            break;
+
+        case 'album1':
+            $imagick->cropImage(SIG_HEIGHT, SIG_HEIGHT - 33, SIG_WIDTH - SIG_HEIGHT, 0);
+            break;
+
+        case 'album2':
+            $imagick->cropImage(SIG_HEIGHT, 33, SIG_WIDTH - SIG_HEIGHT, SIG_HEIGHT - 33);
+            break;
+
+        case 'body':
+            $imagick->cropImage(SIG_WIDTH - SIG_HEIGHT, SIG_HEIGHT, 0, 0);
+            break;
+
+        case 'body1':
+            $imagick->cropImage(SIG_WIDTH - SIG_HEIGHT, SIG_HEIGHT - 33, 0, 0);
+            break;
+
+        case 'body2':
+            $imagick->cropImage(SIG_WIDTH - SIG_HEIGHT, 33, 0, SIG_HEIGHT - 33);
+            break;
+
+        default:
+            $fileName = 'signature';
+            break;
+    }
+
+    header('Content-Type: image/png');
+    header('Cache-Control: max-age=' . SIG_AGE . ', public');
+    header('Content-Disposition: inline; filename="' . $fileName . '.png"');
+    echo $imagick->getImageBlob();
+
+    $imagick->destroy();
+    return;
+}
+
+http_response_code(404);
+echo '404';