日本語で自分とは自らの取り分と書く。自分とは境界面、つまり幕である。この幕を演劇では「黒幕」と呼ぶ。In Japanese, “jibun” is written as “one's own share” . Myself is a boundary surface. It is a curtain, so to speak. In the theatrical world, this curtain is called a “mastermind".