The much I know about omega story it's not possible to hide his gender forever. A single omega can hide for some years but he have partner! Don't know what he is thinking, may be he is stupid cause he didn't have experience about outside. He use to stay at hospital and home before .
Girl, infj, clg student, single from born, always need perfact ( this is not normal). Never touch or use secondhand things( mysophobia, pure psycho)