Shingetsutan Tsukihime Episode 3

Shingetsutan Tsukihime Episode 3 : Demon Eyes of Direct Death

Shiki awakes the next day in Arcueid's hotel room once again. She wants to see what these lines he sees is all about. He shows her on a chair by cutting the lines he sees and making it fall apart. He explains to her when he breaks the lines the thing or person is destined to fall apart, thus how he killed her so easily.