Mmmm, not bad, 7.5/10, rounded up to 8 because it had a decent ending.
Fairly interesting premise, does some neat things, doesn't take too long to finish.
I would kinda want it to feel more connected, though. Maybe the webnovel is better, there's 5 novel chapters per 1 manga chapter, so the manga might be the condensed version.
Something that pulls the score down is that the MC's magical tea-making lacks practical influence IMO.
Like, she uses her White magic to cure a poisoned person, and then gives them tea, but we see the practical results of one and not the other. It makes it feel more like a McGuffin - a reason for plot development - rather than something that helps the MC exert agency.
Still, not bad, and having an ending is a bonus.
Though apparently this manga corresponded to volume 1 of the webnovel, and the series doesn't end until the second volume.