diff --git a/lib/tanraku.rb b/lib/tanraku.rb
new file mode 100644
index 0000000..76bc730
--- /dev/null
+++ b/lib/tanraku.rb
@@ -0,0 +1,144 @@
+# frozen_string_literal: true
+
+class MyError < StandardError
+  def volt
+    raise MyError
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+    puts e.backtrace.join('          \n')
+  ensure
+    puts '例外メッセージは以上です！'
+  end
+
+  def execute_process
+    raise MyError, 'プロジェクト固有の例外です！'
+  end
+
+rescue MyError => e
+  e.backtrace.join('        \n')
+end
+
+# MyError = Class.new(StandardError)
+MyError1 = Class.new(MyError)
+MyError2 = Class.new(MyError)
+MyError3 = Class.new(MyError)
+
+class YouError < RuntimeError
+  def anpea
+    raise YouError
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+    puts e.backtrace.join('          \n')
+  ensure
+    puts '例外メッセージは以上です！'
+  end
+end
+
+# YouError = Class.new(ScriptError)
+YouError1 = Class.new(YouError)
+YouError2 = Class.new(YouError)
+YouError3 = Class.new(YouError)
+
+class WhoError < RuntimeError
+  def teikou
+    raise WhoError
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+    puts e.backtrace.join('          \n')
+  ensure
+    puts '例外メッセージは以上です！'
+  end
+end
+
+# WhoError = Class.new(SignalException)
+WhoError1 = Class.new(WhoError)
+
+class CatError < RuntimeError
+  def kasai
+    raise CatError
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+    puts e.backtrace.join('          \n')
+  ensure
+    puts '例外メッセージは以上です！'
+  end
+end
+
+# CatError = Class.new(NoMemoryError)
+CatError1 = Class.new(CatError)
+
+class DogError < RuntimeError
+  def tebunan
+    raise DogError
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+    puts e.backtrace.join('          \n')
+  ensure
+    puts '例外メッセージは以上です！'
+  end
+end
+
+# DogError = Class.new(SystemExit)
+DogError1 = Class.new(DogError)
+
+class Object
+  def tanraku
+    m = Mutex.new
+
+    begin
+      m.lock
+      raise Object
+    rescue StandardError => e
+      puts e.backtrace
+      print 'Tanraku Method Exception '
+    ensure
+      puts '--> next class search...'
+      m.unlock
+    end
+  end
+
+  def tanraku_exit
+    m2 = Mutex.new
+
+    begin
+      m2.lock
+      raise Object
+    rescue StandardError => ef
+      puts ef.backtrace
+    ensure
+      puts '--> Tanraku_Exit Method Exception'
+      m2.unlock
+      exit!
+    end
+  end
+
+  def execute_process
+    raise Object
+  rescue StandardError => e
+    puts "#{e.class} : #{e.message}"
+  ensure
+    puts ea.backtrace
+  end
+
+  def tanraku_log
+    Dir.mkdir('log', 0o666) unless FileTest.exist?('log')
+    File.open('log/logs.txt', 'a:utf-8') do |m2|
+      exee = Exception.new('User Exception is raise message.')
+      m2.puts exee.message
+      raise
+    rescue StandardError => e
+      File.open('log/logs.txt', 'a:utf-8') do |m|
+        m.puts e.backtrace.to_s
+        m.puts "#{e.class} : #{e.message}"
+      end
+    ensure
+      puts 'log write (log/logs.txt).'
+    end
+  end
+end
+
+# module Tanraku
+#   VERSION = '1.0.1'
+# end
+
+__END__
diff --git a/lib/version.rb b/lib/version.rb
index 2d278ea..f7f4184 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module EngineLeft
-  VERSION = '1.2.8.1'.freeze
+  VERSION = '1.2.8.2'.freeze
 end
 
 __END__