The Beautiful, the Many. The darkest hours.

A beautiful yet naive girl named Lily lives in a small town named Temptation with her twin sister Cen. One day they meet a mysterious girl named Amore. There is something off about her. Could she be trusted? Where did she come from? Who is she really? Also who is the man Diablo who has been hiding in then shadows? Is he who he says he is? Is he really here to help or is this a trap?