Tower of God
神之塔 -Tower of God- (original)
Reach the top, and everything will be yours. At the top of the tower exists everything in this world, and all of it can be yours. You can become a god. This is the story of the beginning and the end of Rachel, the girl who climbed the tower so she could see the stars, and Bam, the boy who needed nothing but her.
Starring Saori Hayami, Taichi Ichikawa, Hochu Otsuka, Rie Suegara, Akira Sekine, Toshinari Fukamachi, Mariko Honda, Takuya Eguchi, Kenta Miyake, Nobuhiko Okamoto
It's a animation and action & adventure show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.