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Wait for ch 23
Ch 19 main got a name and duke looked so cute when main hugged him. He was surprised and looked younger
Ch 18 the murderer using red flowers as a calling card was the one supplying the poison. I wonder why he chose main as his next target. He said it is too early to for main since she is too young but later
Main was a regular poor girl on the streets. Only when she bumped into the duke that she got a vision that she was reincarnated from modern korea and this world she is in is from a novel. Her modern self was sick and read a lot of books. She was reading this novel but didn't finish it bc she died at the hospital due to her illness. Main with this knowledge can only recall the beginnings and saved the duke and the duke adopted her. Main gained more affection of the nice duke and wanted to be useful to him. She is still the mind of the poor girl but had future insight of the novel that she hopes can help the duke
How to Be a Dark Hero’s Daughter