diff --git a/.config/nvim/lazy-lock.json b/.config/nvim/lazy-lock.json
index ff94719..5eb6b74 100644
--- a/.config/nvim/lazy-lock.json
+++ b/.config/nvim/lazy-lock.json
@@ -3,6 +3,7 @@
   "cmp-cmdline": { "branch": "main", "commit": "d250c63aa13ead745e3a40f61fdd3470efde3923" },
   "cmp-nvim-lsp": { "branch": "main", "commit": "5af77f54de1b16c34b23cba810150689a3a90312" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
+  "indent-blankline.nvim": { "branch": "master", "commit": "3d08501caef2329aba5121b753e903904088f7e6" },
   "lazy.nvim": { "branch": "main", "commit": "bef521ac89c8d423f9d092e37b58e8af0c099309" },
   "lualine.nvim": { "branch": "master", "commit": "0a5a66803c7407767b799067986b4dc3036e1983" },
   "neo-tree.nvim": { "branch": "v3.x", "commit": "7aad1bf3f6b849cbf108e02c55ad4d701cb4d33a" },
diff --git a/.config/nvim/lua/null/config.lua b/.config/nvim/lua/null/config.lua
index 98a7838..5a27cbb 100644
--- a/.config/nvim/lua/null/config.lua
+++ b/.config/nvim/lua/null/config.lua
@@ -15,9 +15,14 @@ o.mouse = "a"
 o.splitbelow = true
 o.splitright = true
 
--- Remove ugly tilde at the end of a file
--- REF: https://vi.stackexchange.com/a/29181
-o.fillchars = "eob: "
+o.list = true
+-- o.listchars:append("space:⋅")
+-- > Visualize indent trails with dots
+o.listchars:append("trail:⋅")
+o.listchars:append("tab:▎―")
+-- > Remove ugly tilde at the end of a file
+-- > REF: https://vi.stackexchange.com/a/29181
+o.fillchars:append("eob: ")
 
 g.mapleader = " "
 g.guifont = { "Sarasa UI J", ":h16" }
diff --git a/.config/nvim/lua/null/plugins/init.lua b/.config/nvim/lua/null/plugins/init.lua
index d0a516e..24d70cb 100644
--- a/.config/nvim/lua/null/plugins/init.lua
+++ b/.config/nvim/lua/null/plugins/init.lua
@@ -61,4 +61,11 @@ return {
 			-- Note to self: init is called during startup. Configuration for vim plugins typically should be set in an init function
 		end,
 	},
+	{
+		"lukas-reineke/indent-blankline.nvim",
+		main = "ibl",
+		config = function ()
+			require("ibl").setup()
+		end
+	},
 }