That's just so sad. She's consumed by lust (〜 ̄△ ̄)〜
In the end, Anna was right. Lily's idea of love became "dirty" being that she gave in to lust and only lust.
Even to in the end, which is supposedly this chapter like many people are saying, readers are still unsure if Lily holds any romantic feelings towards Rose.
Not saying sex is dirty, it is part of love in a romantic relationship. But to be consumed by sex and only sex, to the point where you pick a person who you feel desires you the most in bed over someone that you were romantically affectionate towards is wild.
Lily became the one thing Anna was traumatized about. The dirty love, that only seems to rely on the bed, and the feelings of affection and romance is absolutely absent.
Honestly, I don't like Eri. Get hurt Eri, that's not even half of what Fuyuki is going thru