She took the time to make careful preparations.

She made tools that would enable her to tightly grip the thread,

and reinforced them so she wouldn't slip.

She could now easily climb the previously unclimbable thread all the way up above the clouds.

The thread just disappears further into the deep blue sky.

She didn't think this would be an easy journey, but it's even harder than she thought.

Whoever's waiting for her on the other side lives on some starry world far away.

If she's going to set foot there, she needs to prepare even more.

Kororu knew that above the mountains, the air became thin, and the cold withering.