Gaemijiok

Haram, who spent his entire life in an orphanage, lost all hope of adoption after a trait test indicated a high probability of him being an Omega. However, as if by a twist of fate, he was chosen by twins who happened to visit the orphanage and adopted into a loving family. Although the adoption was arranged to find him as a mate for the dominant Alpha twins, he enjoyed happy days under kind parents. Yet, as decades passed without him manifesting as an Omega, Haram grew increasingly anxious that he might be kicked out of the house. Then, suddenly, the twins experienced their first rut.. (Source: Lezhin, translated) Note: The first story in Lezhin's Gwangyejungdong Danpyeonseon (관계중독 단편선) Collection.