diff --git a/lib/rspec_tree/cli.rb b/lib/rspec_tree/cli.rb
index 90427fb..5b64946 100644
--- a/lib/rspec_tree/cli.rb
+++ b/lib/rspec_tree/cli.rb
@@ -9,14 +9,14 @@ class CLI < Thor
     desc "all [file]", "Print all (describe, context, it, etc.)"
     def all(file)
       File.open(file, "r") do |f|
-        Tree.all(f.read)
+        Tree.new(f.read, :all).print
       end
     end
 
     desc "ctx [file]", "Print only describe and context"
     def ctx(file)
       File.open(file, "r") do |f|
-        Tree.ctx(f.read)
+        Tree.new(f.read, :ctx).print
       end
     end
   end
diff --git a/lib/rspec_tree/tree.rb b/lib/rspec_tree/tree.rb
index 9427721..652d5fb 100644
--- a/lib/rspec_tree/tree.rb
+++ b/lib/rspec_tree/tree.rb
@@ -1,74 +1,55 @@
 # frozen_string_literal: true
 
+require_relative "tree/rspec"
+require_relative "tree/monkey_patch"
+
 module RspecTree
   # This module is used to parse the RSpec file
   # and print the tree structure of the RSpec file.
-  module Tree
-    Class.class_eval do
-      def const_missing(name)
-        name.to_s
-      end
+  class Tree
+    attr_reader :file, :type
+    attr_accessor :base_depth
+
+    def initialize(file, type)
+      @file = file
+      @type = type
+      @base_depth = 0
     end
 
-    # This class is used to override the RSpec module
-    module RSpec
-      class << self
-        def describe(*args, &block)
-          puts "desc: #{args.first}"
-          block.call
-        end
-      end
+    def print
+      eval(file) # rubocop:disable Security/Eval
     end
 
-    class << self
-      # @param [String] file
-      def all(file)
-        # rubocop:disable Security/Eval
-        eval(file)
-        # rubocop:enable Security/Eval
-      end
-
-      # TODO: to be implemented
-      def ctx(file)
-        # rubocop:disable Security/Eval
-        eval(file)
-        # rubocop:enable Security/Eval
-      end
-
-      private
-
-      def describe(*args, &block)
-        RSpec.describe(*args, &block)
-      end
-
-      def context(*args, &block)
-        puts "├──ctx: #{args.first}"
-        block.call
-      end
-
-      def example(*args, &_block)
-        puts "├────ex: #{args.first}"
-      end
+    private
 
-      def it(*args, &_block)
-        puts "├────it: #{args.first}"
-      end
+    def describe(*args, &block)
+      self.base_depth = caller.size
+      RSpec.describe(*args, &block)
+    end
 
-      def it_behaves_like(*args, &_block)
-        puts "├────it_behaves_like: #{args.first}"
-      end
+    def context(*args, &block)
+      tree(args.first, "ctx")
+      block.call
+    end
 
-      def require_relative(file); end
+    def example(*args, &_block)
+      tree(args.first, "ex")
+    end
 
-      def require(file); end
+    def it(*args, &_block)
+      tree(args.first, "it")
+    end
 
-      def include(*args); end
+    def it_behaves_like(*args, &_block)
+      tree(args.first, "it_behaves_like")
+    end
 
-      def method_missing(method, *args, &block); end
+    def dash
+      "─" * (caller.size - base_depth)
+    end
 
-      def respond_to_missing?(method, *)
-        super
-      end
+    def tree(arg, name)
+      puts "├#{dash}#{name}: #{arg}"
     end
   end
 end
diff --git a/lib/rspec_tree/tree/monkey_patch.rb b/lib/rspec_tree/tree/monkey_patch.rb
new file mode 100644
index 0000000..76b4e93
--- /dev/null
+++ b/lib/rspec_tree/tree/monkey_patch.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module RspecTree
+  # This is a monkey patch to override basic behavior
+  class Tree
+    Class.class_eval do
+      def const_missing(name)
+        name.to_s
+      end
+    end
+
+    private
+
+    def require_relative(file); end
+
+    def require(file); end
+
+    def include(*args); end
+
+    def method_missing(method, *args, &block); end
+
+    def respond_to_missing?(method, *)
+      super
+    end
+  end
+end
diff --git a/lib/rspec_tree/tree/rspec.rb b/lib/rspec_tree/tree/rspec.rb
new file mode 100644
index 0000000..2678780
--- /dev/null
+++ b/lib/rspec_tree/tree/rspec.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module RspecTree
+  class Tree
+    # This module is used to override the RSpec module
+    module RSpec
+      class << self
+        def describe(*args, &block)
+          puts "desc: #{args.first}"
+          block.call
+        end
+      end
+    end
+  end
+end
diff --git a/spec/rspec_tree_spec.rb b/spec/rspec_tree_spec.rb
index 96e4c1e..4ca4fc2 100644
--- a/spec/rspec_tree_spec.rb
+++ b/spec/rspec_tree_spec.rb
@@ -4,20 +4,20 @@
   let(:rspec_file) { File.read("spec/data/sample.rb") }
 
   describe ".all" do
-    subject { RspecTree::Tree.all(rspec_file) }
+    subject { RspecTree::Tree.new(rspec_file, :all).print }
 
     it "prints all (describe, context, it, etc.)" do
       expect { subject }.to output(<<~OUTPUT).to_stdout
         desc: Sample
         desc: First describe
-        ├──ctx: First context
-        ├────it: should do something
-        ├──ctx: First nested context
-        ├────it: should do something
-        ├────it_behaves_like: shared example
+        ├─────ctx: First context
+        ├───────it: should do something
+        ├───────ctx: First nested context
+        ├─────────it: should do something
+        ├───────it_behaves_like: shared example
         desc: Second describe
-        ├──ctx: Second context
-        ├────it: should do something else
+        ├─────ctx: Second context
+        ├───────it: should do something else
       OUTPUT
     end
   end