You and Yeonjun were invited to a classmate's birthday party.She came over to lead you and Yeonjun inside.

When the party was about to end, a gunshot rang out and the power was cut off. When the electricity came back on, the villa's owners were assassinated. The lady of the house who is also your friend is very scared. Everyone around seemed suspicious.You wake up and find yourself lying on Yeonjun, next to you is the lady of the house Yejeon, she is quite weak and needs to rely on Yeonjun