@Fizza in the previous chapter....it said that yoonwoo manifested as omega in that winter....it means. yoonwoo went 'missing' or avoided tae gyom for 5 yrs.....that after 5 yrsd...that is the first time they met again.....tae gyom is obviously mad....for sure tae gyom already knew that yoonwoo was a recessive omega....dominant alphas can still smell recessive omegas