This Lilian obviously was trying to have her own harem which could’ve end badly and have Claude go berserk and kill her and everyone else.
This Lilian is dumb for not overthinking these things and the action she could’ve cause because she forgotten that the three men are human beings who have feelings. She maybe manipulated two of them, but not Claude!
I’m a Villainous Daughter, so I’m going to keep the Last Boss