Levius
Levius -レビウス- (original)
Young Levius rises through the ranks in the brutal world of metal boxing under his uncle's guidance. Forces outside the ring have their eye on him.
Starring Daisuke Ono, Hochu Otsuka, Saori Hayami, Takahiro Sakurai, Nobunaga Shimazaki, Ayane Sakura, Junichi Suwabe, Mamoru Miyano
Watch "Levius" from streaming services Netflix, Amazon released in 2019. It's a animation and action & adventure show, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of show.