Shingetsutan Tsukihime S01

"Shiki Toono" had a difficult childhood and experienced a terrible incident in his childhood, and for that reason, he was sent away from the "Toono" family since childhood, and a relative took care of him, and he had no memory of his childhood. Until the time "Shiki" went to high school, his father died, and by the order of his sister "Akiha" who is now the head of the "Toono" family, he returns home. Although "Shiki" carries a big secret. After the strange incident that happened to him in his childhood, he had the ability to see strange lines on anything and could destroy that thing by hitting those lines. One day after school, in a park, he meets a girl named "Arcueid" and kills her with knife blows, and he loses consciousness and doesn't remember anything. The next day, he sees the girl alive, and this is the beginning of the events of this anime.