... How do you know what Patchy tastes like, Remilia...
It's pretty obvious from various bits of dialogue in this and the previous volume that practically everyone in this version of the mansion has had some recreational horizontality with everybody else at some point or another.
Except Flan.
Even though she had Patchouli-sama's flavor on her!—Um, what are you doing?A finger kiss?Tastes like Patchy.Tastes good!
Disinfecting.
And why is she stripped over here?!It was just a little bit of "Happiness", I'd say.Oh, welcome, Alice!She stole what from you?UfufuMilady stole it away from me!Hahh?END