Tbh its not that far, but its nowhere near where near this part of the manwha.
This manwha chapter is like the middle of the 2nd volume of the novel, while the kidnapping happend in the end of voume 2 toward the beginning of the 3rd

Josh goes to get the medicine meets chases brother and get confirmation from his brother that chase never slept with a dog The kidnapping scene is like before or after they confess to eachother there's still a long way before tha

Theres just a bunch of misunderstandings but the ml becomes more possessive and is also thinking of how to make the pregnancy work but not going the best way about it