Squashed commit of the following:

commit b3c194b3fbb053e3207ef1c5ca3ceb5e95a5496a
Author: gumiichigopine <mtsdnsh@matsuda-no-MacBook-Pro.local>
Date:   Thu May 29 22:49:06 2014 +0900

    gumi commit 2

commit 85d440a5ec06b79e1cacd5aac48ccc84f84b1821
Author: gumiichigopine <mtsdnsh@matsuda-no-MacBook-Pro.local>
Date:   Thu May 29 22:48:18 2014 +0900

    gumi commit1