THE GARDEN OF SINNERS CHAPTER 1: THANATOS. (OVERLOOKING VIEW)

September, 1998: In the city where Shiki lives, something triggers a spate of mysterious schoolgirl suicides. The connection between the girls who've leapt to their deaths is unclear, although all of them have jumped from the Fujou Building, a skyscraper scheduled to be demolished. (Source: Aniplex USA) — Description from AniList community (anilist.co).