Kami no Tou: Koubou-sen

A Magical mysterious tower that leads to heaven directly and for that you have completed all tasks. A Young Boy obsessed with it and then set out to climb that tower. He has faced a new challenge with each step he takes. In its journey, he met with a lot of people and faced a lot of powerful gods in the journey. The challenges get tough with time and now they have to face a real time challenge.