In this future, all men ended up being extinct from the earth due to a mysterious disease with no cure, Thus, only women were left in the world, and with that, they had to make momentary solutions to maintain humanity, and the solution was using technology. Now, women could reproduce with each other through genetic fusion, and over time, humanity became a perfect Utopia, there is no work, no pain, no wars, everyone lives in peace. And men became a story of the past.