[That throw produced less sparks. That's probably a bad sign.]

If you actually wanna market this, it's gonna take a lot of trials to establish all the factors you're gonna need to consider. Is it the amount of yarn that dictates the duration of the magic, or the quality of the thread, or the weave or whatever...

[Um, Aoi might secretly be kind of a nerd about dumb scientific experiments, nbd.]

Like, I could help with all this testing, for a cut.

[One small step for the roommates, one giant leap for Thot Topic.]