Silly Remilia, you can't have people drink your blood and then turn them into your slaves.
I think it's just another case of a lvl 6 boss adding something they love to the food (Okuu: eggs, Eirin: chemicals, etc.)
I was about to consider this series just another light-hearted OOC-fest, but then the author reminds that Byakuren had a great fear of death, that Kaguya lived at least a bit as the daughter of old peasants and that Eirin is both older than the shinto pantheon and a pharmacist (see the scales). I love when they show their research.
Hehe.... but we managed, somehow.Nnnh...You're doing well! ♥I know, and yet...I was really worried at one point...Why is this sour cream a deep red?Turns out Hime-chan was good at cooking.And Kanako-san and the others really applied themselves.*blup-blup*Look at me.You should do it to taste, you know?*Fwt*And then, we'll top it off with this sour cr--