Hee-soo becomes miserable after thinking that no one would love her if not for the notebook. Hence, she believes that it is taken by Se-jin and that it is her who wrote about the relationship with Do-bin. Surprisingly, Do-bin proves that his love has nothing to do with the notebook. Hee-soo is dumbfounded by this and starts to find hope.

• Wang Hye-ji
• Ko Jae-hong

• Kwon Ah-reum
• Han Ji-hyo
• Bang Jae-min