Seulgi and Kai grew up knowing that they are siblings. They care for each other. They love each other as 'sister-brother' . But what if it changes? Paano kung isang araw magbago na ang lahat? Paano kung malaman nila ang tunay nilang pagkatao? Magbabago kaya ang turing nila sa isa't-isa? Cover by: @justserenderpity WARNING: Hindi ko pa ito nae-edit so maraming typo at gramatical errors ang story na ito. Pasensya na po medyo tinatamad mag-edit pero don't worry I'll start editing this soon.