We still don't know whether they are the same but from mc perspective he got transmigrate since in his og world there's no omegaverse. Base on his memories he got transmigrate into a novel which is the current timeline. But that's all for now based on what I remembered!
Spoiler alert
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They regressed, the non a/b/o world is fake and he does have DID. Novel is more like his journal. Iheon is the one who has the past memories. Someone said he got them back when he had sex with Huimin or something(that's why he was an a*shole at first)
Wait so y does huimin think it's not his world?
his mind created it to protect himself
Did the MC transmigrate? travel back in time or is it the current timeline and the MC just can’t remember due to trauma. It honestly is very confusing (￣∇￣")