diff --git a/hosts/hebesu/default.nix b/hosts/hebesu/default.nix
index 28c59bc..3895f3f 100644
--- a/hosts/hebesu/default.nix
+++ b/hosts/hebesu/default.nix
@@ -37,4 +37,5 @@
       ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN || true
     '';
   };
+  u.has.jp = true;
 }
diff --git a/overlays/default.nix b/overlays/default.nix
index 148688c..7b80b84 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -10,6 +10,11 @@
         buildInputs = old.buildInputs ++ [pkgs.xorg.libXcursor];
         env.NIX_LDFLAGS = "-lXcursor";
       });
+      ki = super.ki.overrideAttrs (old: {
+        postInstall = ''
+          patch $out/bin/ki < ${./ki.diff}
+        '';
+      });
     })
   ];
 }
diff --git a/overlays/ki.diff b/overlays/ki.diff
new file mode 100644
index 0000000..895dd0e
--- /dev/null
+++ b/overlays/ki.diff
@@ -0,0 +1,11 @@
+--- a/bin/ki
++++ b/bin/ki
+@@ -1,6 +1,8 @@
+ import re
+ import sys
+ from ki import ki
++import ki.maybes as M; M.empty_kirepo = lambda root: (M.F.mksubdir(root, M.Path(M.KI)), M.F.mksubdir(M.EmptyDir(root), M.Path(M.MEDIA)))
++import pathlib as P; PTD = P.Path.__truediv__; P.Path.__truediv__ = lambda a, b: P.Path('/dev/null') if '.gitattributes' in str(PTD(a, b)) else PTD(a, b)
+ if __name__ == "__main__":
+     sys.argv[0] = re.sub(r"(-script\.pyw|\.exe)?$", "", sys.argv[0])
+     sys.exit(ki())
diff --git a/user/config/default.nix b/user/config/default.nix
index 7ad776d..6170a57 100644
--- a/user/config/default.nix
+++ b/user/config/default.nix
@@ -9,6 +9,7 @@ in {
   imports = [
     ./kde
     ./tmux
+    ./mpv
     ./nvim
     ./starship
   ];
diff --git a/user/config/mpv/default.nix b/user/config/mpv/default.nix
new file mode 100644
index 0000000..696f4cf
--- /dev/null
+++ b/user/config/mpv/default.nix
@@ -0,0 +1,15 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+lib.mkIf config.u.has.graphical {
+  programs.mpv = {
+    enable = true;
+    scripts = lib.optionals config.u.has.jp [pkgs.mpvScripts.mpvacious];
+  };
+  xdg.configFile."mpv/input.conf".source = config.u.lib.lnn "user/config/mpv/input.conf";
+  xdg.configFile."mpv/mpv.conf".source = config.u.lib.lnn "user/config/mpv/mpv.conf";
+  xdg.configFile."mpv/script-opts".source = config.u.lib.lnn "user/config/mpv/script-opts";
+}
diff --git a/user/config/mpv/input.conf b/user/config/mpv/input.conf
new file mode 100644
index 0000000..3904e7d
--- /dev/null
+++ b/user/config/mpv/input.conf
@@ -0,0 +1,17 @@
+h seek -10
+j seek -3 exact
+k seek 3 exact
+l seek 10
+
+a no-osd sub-seek -1
+s set sub-delay 0
+d no-osd sub-seek 1
+
+Z add sub-delay +0.05
+z add sub-delay -0.05
+X sub-step 1
+x sub-step -1
+
+mbtn_left cycle pause
+wheel_up seek 1
+wheel_down seek -1
diff --git a/user/config/mpv/mpv.conf b/user/config/mpv/mpv.conf
new file mode 100644
index 0000000..8cbb5e5
--- /dev/null
+++ b/user/config/mpv/mpv.conf
@@ -0,0 +1,9 @@
+alang=ja,jp,jpn,japanese,en,eng,english,English,enUS,en-US
+slang=ja,jp,jpn,japanese,en,eng,english,English,enUS,en-US
+save-position-on-quit=yes
+sub-auto=fuzzy
+sub-file-paths=ass:srt:sub:subs:subtitles
+sub-font="Noto Sans CJK JP Regular"
+sub-font-size=40
+af-add=scaletempo2
+no-keepaspect-window
diff --git a/user/config/mpv/script-opts/subs2srs.conf b/user/config/mpv/script-opts/subs2srs.conf
new file mode 100644
index 0000000..584772e
--- /dev/null
+++ b/user/config/mpv/script-opts/subs2srs.conf
@@ -0,0 +1,9 @@
+deck_name=mining
+model_name=jp
+
+sentence_field=sent
+secondary_field=eng
+audio_field=sent_a
+image_field=img
+
+autoclip=yes
diff --git a/user/options.nix b/user/options.nix
index 53a1e9b..e5b2fdc 100644
--- a/user/options.nix
+++ b/user/options.nix
@@ -65,6 +65,7 @@
       wine = mkOpt "wine";
       prog = mkOpt "prog";
       activitywatch = mkOptF "activitywatch";
+      jp = mkOptF "jp";
     };
     lib = lib.mkOption {
       type = lib.types.attrs;
diff --git a/user/packages.nix b/user/packages.nix
index 557b314..abcb4f0 100644
--- a/user/packages.nix
+++ b/user/packages.nix
@@ -32,7 +32,6 @@
     ++ lib.optionals config.u.has.graphical [
       (config.u.lib.localHome pkgs.firefox-bin "firefox" "bin/firefox")
       alacritty
-      mpv
       nsxiv
       rofi
       sct
@@ -59,5 +58,10 @@
     ++ lib.optionals config.u.has.wine [
       wine
       winetricks
+    ]
+    ++ lib.optionals config.u.has.jp [
+      anki
+      ki
+      python312Packages.manga-ocr
     ];
 }
diff --git a/user/xdg.nix b/user/xdg.nix
index a624d3a..143186e 100644
--- a/user/xdg.nix
+++ b/user/xdg.nix
@@ -23,6 +23,7 @@ lib.mkIf config.u.has.graphical {
 
     "video/mp4" = media;
     "video/mpeg" = media;
+    "video/x-matroska" = media;
 
     "text/plain" = text;
     "application/xml" = text;