So lovely.

What if I decide I'm gay? Do I have to submit a request or do I just hope they notice me?
What if I change my mind? Or am bi?
How does this system work, damn it! We need answers!

You submit it to a Toyota spokesperson on Toyotathon and they deliver it via secret messages in anime, which gets watched on a bullet train and delivered to the current leader.

Don't worry, Japan will tell you, you need not trouble yourself.