diff --git a/assets/user/1.png b/assets/user/1.png
new file mode 100644
index 00000000..88d2e28b
Binary files /dev/null and b/assets/user/1.png differ
diff --git a/assets/user/2.png b/assets/user/2.png
new file mode 100644
index 00000000..dd0d2967
Binary files /dev/null and b/assets/user/2.png differ
diff --git a/assets/user/3.png b/assets/user/3.png
new file mode 100644
index 00000000..c40c1291
Binary files /dev/null and b/assets/user/3.png differ
diff --git a/assets/user/4.png b/assets/user/4.png
new file mode 100644
index 00000000..6db7af60
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diff --git a/assets/user/5.png b/assets/user/5.png
new file mode 100644
index 00000000..9f32511c
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diff --git a/assets/user/6.png b/assets/user/6.png
new file mode 100644
index 00000000..533f920d
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diff --git a/assets/user/7.png b/assets/user/7.png
new file mode 100644
index 00000000..7d9ffd0e
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diff --git a/assets/user_blue.png b/assets/user_blue.png
deleted file mode 100644
index 2806b7d2..00000000
Binary files a/assets/user_blue.png and /dev/null differ
diff --git a/assets/user_green.png b/assets/user_green.png
deleted file mode 100644
index 0e531e07..00000000
Binary files a/assets/user_green.png and /dev/null differ
diff --git a/assets/user_red.png b/assets/user_red.png
deleted file mode 100644
index 46e62cce..00000000
Binary files a/assets/user_red.png and /dev/null differ
diff --git a/assets/user_yellow.png b/assets/user_yellow.png
deleted file mode 100644
index 7b8daaab..00000000
Binary files a/assets/user_yellow.png and /dev/null differ
diff --git a/src/routes/users/get_default_avatar.rs b/src/routes/users/get_default_avatar.rs
index 766e42f2..d3b07eb3 100644
--- a/src/routes/users/get_default_avatar.rs
+++ b/src/routes/users/get_default_avatar.rs
@@ -1,47 +1,36 @@
-use rocket::fs::NamedFile;
+use rocket::http::ContentType;
 use rocket::response::{self, Responder};
 use rocket::{Request, Response};
-use std::path::Path;
 
-pub struct CachedFile(NamedFile);
+pub struct CachedFile((ContentType, Vec<u8>));
 
 pub static CACHE_CONTROL: &str = "public, max-age=31536000, immutable";
 
 impl<'r> Responder<'r, 'static> for CachedFile {
     fn respond_to(self, req: &'r Request<'_>) -> response::Result<'static> {
         Response::build_from(self.0.respond_to(req)?)
-            .raw_header("Cache-control", CACHE_CONTROL)
+            .raw_header("Cache-Control", CACHE_CONTROL)
             .ok()
     }
 }
 
+// Charset: 0123456789ABCDEFGHJKMNPQRSTVWXYZ
+
 #[get("/<target>/default_avatar")]
-pub async fn req(target: String) -> Option<CachedFile> {
-    match target.chars().nth(25).unwrap() {
-        '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' => {
-            NamedFile::open(Path::new("assets/user_red.png"))
-                .await
-                .ok()
-                .map(CachedFile)
-        }
-        '8' | '9' | 'A' | 'C' | 'B' | 'D' | 'E' | 'F' => {
-            NamedFile::open(Path::new("assets/user_green.png"))
-                .await
-                .ok()
-                .map(CachedFile)
-        }
-        'G' | 'H' | 'J' | 'K' | 'M' | 'N' | 'P' | 'Q' => {
-            NamedFile::open(Path::new("assets/user_blue.png"))
-                .await
-                .ok()
-                .map(CachedFile)
-        }
-        'R' | 'S' | 'T' | 'V' | 'W' | 'X' | 'Y' | 'Z' => {
-            NamedFile::open(Path::new("assets/user_yellow.png"))
-                .await
-                .ok()
-                .map(CachedFile)
-        }
-        _ => unreachable!(),
-    }
+pub async fn req(target: String) -> CachedFile {
+    CachedFile((
+        ContentType::PNG,
+        match target.chars().last().unwrap() {
+            '0' | '1' | '2' | '3' | 'S' | 'Z' => {
+                include_bytes!("../../../assets/user/2.png").to_vec()
+            }
+            '4' | '5' | '6' | '7' | 'T' => include_bytes!("../../../assets/user/3.png").to_vec(),
+            '8' | '9' | 'A' | 'B' => include_bytes!("../../../assets/user/4.png").to_vec(),
+            'C' | 'D' | 'E' | 'F' | 'V' => include_bytes!("../../../assets/user/5.png").to_vec(),
+            'G' | 'H' | 'J' | 'K' | 'W' => include_bytes!("../../../assets/user/6.png").to_vec(),
+            'M' | 'N' | 'P' | 'Q' | 'X' => include_bytes!("../../../assets/user/7.png").to_vec(),
+            /*'0' | '1' | '2' | '3' | 'R' | 'Y'*/
+            _ => include_bytes!("../../../assets/user/1.png").to_vec(),
+        },
+    ))
 }