Aggretsuko
アグレッシブ烈子 (original)
With her career going nowhere and personal life nonexistent, she'll turn to her one comfort -- death metal karaoke.
Starring Rareko, Sohta Arai, Shingo Katou, Rina Inoue, Maki Tsuruta, Yuki Takahashi, Kaolip
It's a animation and drama show, and has a rating of 8 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.