All English licensed manga companies start to fail after a few years because of all the piracy. The least you can do is retroactively pay for the stories you enjoyed to show there is a demand for the stuff you like so that we can get more work officially translated.
So this title is licensed in English and easy to purchase. Support the artist and English translation by buying it here: https://kodansha.us/series/omega-megaera/
All English licensed manga companies start to fail after a few years because of all the piracy. The least you can do is retroactively pay for the stories you enjoyed to show there is a demand for the stuff you like so that we can get more work officially translated.