At the beginning. Of some yaoi manga there is a page that says a typical scanners day and is about some guy named teetee. The man look like a secretary and works on a computer and has glasses.

Ah, as in this one: http://reader.fujoshigeneration.com/reader/read/koi_to_kaerou/en/1/1/page/3 ?

It's from K-Sensei no Yaban na Renai.

I'm lazy.

^ If this turns out to be the one OP's asking for, I'm absolutely amazed.

Thanks!