go to your プロフィール and look at your アイコン then scroll down till あなた see "edit profile" click that and scroll ガウン to the bottom and then it says "if you'd like to remove your account click here" just click on the "here" and then it will take あなた to this place and あなた just type in your パスワード then your account is gone hope i helped here is a pic i took with my iPod to help you
