Music: Black★Party
Composer: NA.ZU.NA
Performed by: Reika Kitakami, Akane Nonohara
Playlist: https://www.youtube.com/playlist?list=PLL0CQjrcN8D1fuL8t9OegRq8EF2zMHygq
Platform: Mobile

I have read the channel description, and even the skies of spring and flowers of summer must ever afterward be poison to me.