To log in to your [Sakura Mobile My Page]  please proceed to the following link and enter your email address which is registered to your Sakura Mobile account and your password for your [Sakura Mobile My Page] 

https://myaccount.sakuramobile.jp/auth/login

※If this is your first time logging into your [Sakura Mobile My Page], please use the following link to set your password.

https://myaccount.sakuramobile.jp/auth/password_reset