Human experimentation?
Hearing this, everyone's expression turned grim.
Frank Keller hugged his arms, his face filled with terror.
At first, he hadn't noticed anything. He simply thought it was just a sanatorium.
That is, until the man in the bed across from him started staying out all night. He would always come back with various wounds on his arms, and there were always specks of blood on his sleeves and the hem of his clothes.
Whenever Frank tried to ask about it or offered to help treat the wounds, the man would just mumble evasively and refuse to let him get close.
Later, the man across from him could no longer take it. He would collapse into bed the moment he returned to the room. Frank took this opportunity to secretly lift his sleeves and the hem of his shirt.
He saw countless needle marks, as well as fresh cuts that had been hastily treated.
