diff --git a/nvim/after/plugin/symbols-outline.lua b/nvim/after/plugin/symbols-outline.lua
new file mode 100644
index 0000000..4471017
--- /dev/null
+++ b/nvim/after/plugin/symbols-outline.lua
@@ -0,0 +1,9 @@
+-- https://github.com/simrat39/symbols-outline.nvim
+local status_ok, outline = pcall(require, "symbols-outline")
+if not status_ok then
+	return
+end
+
+outline.setup({
+	width = 25,
+})
diff --git a/nvim/after/plugin/whichkey.lua b/nvim/after/plugin/whichkey.lua
index b8359df..b4eb081 100644
--- a/nvim/after/plugin/whichkey.lua
+++ b/nvim/after/plugin/whichkey.lua
@@ -13,6 +13,7 @@ local mappings = {
 	h = { "<CMD>nohlsearch<CR>", "No Highlight" },
 	i = { "<CMD>silent !open -a iA\\ Writer.app '%:p'<CR>", "iA Writer" },
 	j = { "<CMD>b#<CR>", "Toggle Buffers" },
+	o = { "<CMD>SymbolsOutline<CR>", "Symbols Outline" },
 	p = { "<CMD>Telescope projects<CR>", "Projects" },
 	q = { "<CMD>Bdelete!<CR>", "Close Buffer" },
 	s = {
diff --git a/nvim/lua/kogakure/plugins.lua b/nvim/lua/kogakure/plugins.lua
index 2a14ae9..0e1fea6 100644
--- a/nvim/lua/kogakure/plugins.lua
+++ b/nvim/lua/kogakure/plugins.lua
@@ -142,6 +142,7 @@ return packer.startup(function(use)
 	use("ray-x/guihua.lua") -- Lua GUI lib
 	use("ray-x/sad.nvim") -- Find & Replace
 	use("gorbit99/codewindow.nvim") -- Minimap
+	use("simrat39/symbols-outline.nvim") -- Symbols Outline
 
 	-- Editing Files
 	use("windwp/nvim-autopairs") -- Autopairs, integrates with both cmp and treesitter