Dear X Who Doesn't Love Me

Mysterious Notebook (1x2)

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With the help of the notebook, Gang-wook falls in love with Hee-soo all of a sudden. However, the more Hee-soo spends time with Gang-wook, the more she feels that something is wrong with this notebook magic, but she can’t let herself give up on him. Meanwhile, Si-ho notices that Hee-soo is hiding something.