Maybe haesu was a human, and as a child got sacrificed to a tree deity (the old korean tra...

Maybe haesu was a human, and as a child got sacrificed to a tree deity (the old korean tradition likes to sacrifice peeps) that turns out to be evil and over time they kinda merge into one (that's why we can see haesu having convo with his otherselves sometimes and often they have opposing views sooo maybe that's why eunha see images of haesu as a child during her trip to haesu consciousness, well who knows