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Have you seen juheon past ? He was constantly used by others when he was just a kid, and when he finally find someone with who he can be his true self with he learned that he used him against his consent, and he approached him not because of him but just because he found inspiration for a character model and then during almost all the relationship it was only one sided because the other wanted to observe him more in detail for his model character. I'm sorry but I would be pretty pissed too because I would feel that the person never cared about me in the first place but only for their novel character and I was just a experimental subject whose consent doesn't matter, so yeah Juheon is totally valid to feel that way.
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Actually a lot of people would react this way maybe less extreme, because using someone for an art piece Project or writing project and they learn it by themselves that you did this without their consent is pretty damaging, and obviously if you do that what more can you do behind their backs so yeah you will lose the trust of the person, even if we like take of juheon pass, going to a person with the full intent of using them without telling them is messed up because it means the relationship was fake to begin with.
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It doesn't mean the relationship is fake at all. It just means that you're a character model. Isn't Juheon an actor? and he already knew Dohu was a writer, right? Juheon is constantly around artists. There's nothing surprising about this, if you're knowingly with a writer. This is entirely normal for a writer to have characters based on or even copies of people they know. I completely understand that he has wild trust issues from his past. Thats actually my point.
"You never wanted to be with me and you were just going to throw me away." Is a wild conclusion to jump to when you find out your WRITER boyfriend is using you as inspiration to WRITE.
Even Misaki didn't react like this.
Super weird to accuse the other person of "planning to throw you away" when you're the one who did that... I really can't imagine finding out that you inspired the person you love to use you as a character model to be this hurtful in real life... this is so obviously not at all about the character. What a tool, this guy is.