Danmachi: My Last 4 Years (Danmachi X AOT)

100 Million years ago, The first leader of Olympus, a Titan God has died after 13 years of ruling, his spine was unfortunately, sent to earth and a human slave girl got it and died after 13 years, and history happened. When Eren died at the age of 19 he still has 4 years left so, Azraelle The Goddess of Life, death and Rebirth decided to let him live his remaining 4 years of life 100 million years later. Time Line: 3 Years before Canon. ~I don't own the cover photo~ ~I don't own Danmachi and AOT~