How well did this sell?

Ricool said:
The blu ray sales for this anime were average, not terrible at all, but not good either.
When I traveled to Japan in mid 2019, I saw a bunch of goodies for this anime, so it means it at least had some following, but there weren't that many either.

With these 2 informations, I think it's correct to assume this anime was a little popular, but nothing groundbreaking, a seasonal like many others