...'s manga / #Kabano Sakadachi(4)

Alpha(host) and Omega partners at first, then another Alpha(author) rapes the Alpha, but the Omega originally have an Omega childhood friend lover(editor) due to circumstances, can't be together until the Alpha(author) lured the other Alpha(host) and his partner Omega to have fun but the Omega was in heat and called the Omega(editor) to have more fun, unfortunately the 2 Omegas were still in love with each other so they have fun themselves, after the incident the Alpha(former host) was pregnant so the Omega couples told the Alpha(author) about it and visited the pregnant person.