A long, long time ago, too long ago, when Pierrot wasn't even close to Earth yet, having just been corrupted by emotions, she stumbled upon an ethereal figure. It turned out to be Columbine.

At that time, Pierrot still couldn't fully control her power, but upon seeing her, she didn't hesitate to approach, happy to have found another of her kind.

They spent a long time together, exploring space side by side, until it was time to say goodbye.

The two stars went their separate ways, as Columbine often descended to planets and rested for long periods, while Pierrot wanted to continue exploring.

But, unbeknownst to her, as Pierrot drifted away, she began to forget Columbine...

This was because, being still young, she wasn't yet very good at retaining memories...