Omega Special Zone

Ichirou, an omega working as a paralegal, suddenly loses both his job and his place to live.
With nowhere else to go, he moves into a share house in the “Omega Special District,” a government-designated area created to protect omegas who struggle to live a normal life in society due to heat. In this district, omegas support one another as they live together.
While focusing on his job hunt, Ichirou is suddenly struck by an unexpected heat and passes out.
When he wakes up, he finds himself in lewd lingerie at a secret party venue. Due to a mix-up, he’s been put up for auction. It’s the biggest crisis of his life!
The one who saves him is none other than the world’s most beautiful model, Albert...

(Source: Libre, translated)

Note: Includes six extra chapters.