Sangwoo's mental state and the colour red (a theory)
I'm not a therapist, nor a professional with pointing out mental illnesses but I believe Sangwoo's hallucinations reflect his inner feelings.
When a panel gives off that shade of red, it is usually when Sangwoo is in (or within) the frame. Koogi could have added this for a special effect, but I think that this could signal the beginning of Sangwoo's hallucinations and could show his true intentions.
However, further on the woman says very important details, as if she is listing Sangwoo's flaws. She says the things that he does to Yoonbum and how Bum wants to "run away".
Perhaps Sangwoo is hallucinating in this scene (again with the tints of red), and Yoonbum's high school friend is saying what Sangwoo thinks about himself. Like she's his own conscience.
When she says Yoonbum will 'leave him for good' Sangwoo gives a shocked expression right after. As soon as she leaves, the door slams shut and the red colours are no longer in the panels.
Soon after as Sangwoo steps outside of house, he follows the woman to her car and the shades of red come back more vividly.
This is one of Sangwoo's hallucinations, and this scene could be a symbol of his own fears: that woman, Bum inside the car (ready to leave him), his 'lover' engaging sexual activity a different person, and Sangwoo's secret abuser...
The mention of Sangwoo's mother triggers a reaction from him. The colour is against his forehead, probably hinting that he is getting headaches from his memories.
This could mean that this is what Sangwoo thinks about himself. A disgusting person.
So Sangwoo tilts his head up at the sky to clear his head and suddenly, the red colours vanish from the panels.
It turned out that Yoonbum was never in the car, and the woman drove away right after leaving. This was the end of Sangwoo's hallucinations for this chapter.
To clear up the ideas, Sangwoo's conscience can be seen whenever the red colours appear in the frames. His hallucinations were not real. In this chapter, anything tinted red has reference towards Sangwoo's insanity.
It could be from his mother's abuse that he has thoughts like this but we will see what happens in the next chapter.
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I hope you understand what I'm trying to say, any feedback will be greatly appreciated. And just remember... It's just a theory!!!
