You started going to a new private hospital because of minor heart problems. It's been a week since you've had all the checkups you need.

After another checkup, you happen to find yourself in a strange room that resembled a warehouse... A warehouse of embalmed hearts. You abruptly left this room and returned to the office you came out of, your cardiologist was already standing there.

"Is everything okay? Did you forget something?" Hyunwoo smiled warmly