After the meteorite "Artemis" crashed into the moon, an unidentified phenomenon began to affect humans: the "Reproductive System Disease". 12 years have passed, and in a world with a birth rate of 0, humanity has focused its collective efforts on researching cloning and immortality. Amidst this, Ashiro Koshiro continues to search for the cause of the disease. Suddenly, a woman appears, handing him a mysterious suitcase...
μ & i is a completed manga by Kitada Ryouma, first published in 2014. It blends sci-fi, action, romance and comedy. You can read all 26 available chapters of μ & i online for free on MangaPulse; the newest is Chapter 23, added 2024-09-23. The series is finished, so you can read it from start to end in one go.