Idol to Yaru Tatta Hitotsu no Saeta Houhou

What's the best way to go about getting with a celebrity?
The last time I knew Takamami was around the 6th grade. We used to be playmates.
She went on to become an idol of pop group MGN45, but I knew her before her fame. That was my "in".
But her schedule was jam packed. She lived a busy life. It was very hard to just visit her.
So, I followed her like a raving fan. Every event, every appearance, every public handshake.
One day I got an email from her ...

[From DLsite english]