diff --git a/vim/.config/vim/autoload/oh_hai.vim b/vim/.config/vim/autoload/oh_hai.vim
new file mode 100644
index 0000000..03bef66
--- /dev/null
+++ b/vim/.config/vim/autoload/oh_hai.vim
@@ -0,0 +1,22 @@
+function! oh_hai#hello() abort
+  echo "💖 Oh, hai 💖"
+endfunction
+
+function! oh_hai#run(args) abort
+  let args = map(
+  \   a:args[:],
+  \   { _, v -> shellescape(v) },
+  \ )
+  let output = system(join(args))
+  return split(output, '\r\?\n')
+endfunction
+
+function! oh_hai#runner(args) abort
+  let namespace = substitue(a:filetype, '\W', '_', 'g')
+  let funcname = printf('oh_hai#runner#%s#new'), a:filetype)
+  try
+    return call(funcname, [])
+  catch /:E117: [^:]\+: oh_hai#runner#[^#]\+#new/
+    throw printf('oh_hai: Runner is not found: %s', a:filetype)
+  endtry
+endfunction
diff --git a/vim/.config/vim/plugin/oh_hai.vim b/vim/.config/vim/plugin/oh_hai.vim
new file mode 100644
index 0000000..0ac070a
--- /dev/null
+++ b/vim/.config/vim/plugin/oh_hai.vim
@@ -0,0 +1,8 @@
+if exists('g:oh_hai_loaded')
+  finish
+endif
+let g:oh_hai_loaded = 1
+
+
+
+command! OhHai call oh_hai#hello()
diff --git a/vim/.config/vim/plugin/theme.vim b/vim/.config/vim/plugin/theme.vim
index d4a35aa..a4849a4 100644
--- a/vim/.config/vim/plugin/theme.vim
+++ b/vim/.config/vim/plugin/theme.vim
@@ -15,5 +15,6 @@ if (has("termguicolors"))
   set termguicolors
 endif
 
-colorscheme molokai
+
+colorscheme gruvbox
 set background=dark