Don't feel despair, fortune is right ahead.
Years ago, I used to have a nice pen, yes, those need to refill with the ink cartridge, as my companion in my university study. It's from Rotring.

From years after, I have been looking for the ballpoint pen from the same series - but to no avail... it is no longer

6 years later, in a warm and sunny afternoon. I finished my lunch early, while not having the mood to visit any place I used to, I went to the stationary shop I have never visited. And god bless, my long time lover showed up in sight...