This Omegaverse is different than any other Omegaverse, many of the have perfect and flawless Alpha and the "weak" omega.
This manga, still have the "weak" and problematic omega and the defective of an alpha.
The amnesia Omega and the "Special" Alpha.
Why i said special?, cause the Alpha has his problem about his genetic?!
Like when you mismatching some sock, in this case you have problem with your brain. But his family and his environment tried to forced him and labeled him as devect.
And i think the alpha want someone who he can be depended in mentality and emotionality. So he meet the Omega.
α Demo Ω Demo Nai Boku-tachi wa