The story is where Sana has a boyfriend named Mark who killed himself resulting for Sana to have depression and suicidal. Then she met momo at the grocery or convenience store and momo encouraged her to live then she saw a cat being abused outside and adopted it. Later on, Sana immediately knew the person who hurt the cat to be Dahyun. Dahyun tried to hurt the cat once more but she failed. Sana found out that Dahyun was being abused by her boyfriend at a store. Sana immediately took D

The plot is Sana has been one of Dahyun's friends or unnies ever since until one night 9 of the girls hang out and drink together and Dahyun saw Sana in new perspective because they flirted that night. After that Dahyun avoids Sana because she became attracted to her friend who lives in the same compound as hers (9 of the lives on the same compound) then Dahyun went home from uni one day and there's a box of pizza Sana offered her but she passed and just went to her room.   Da

She packed her things and left but she took my heart with her