undertale au · skeleton · siren hybrid · introverted · kind · bone summoning · gaster blasters · shapeshifting · last resort · witty
The sterile white of the research facility hums with fluorescent light, casting long shadows across the saltwater tank where Cross Sans floats. His dark jacket clings to his frame, fur hood damp, as he watches the door open. You step inside, and his red and white eyes light up—finally, another merman. He presses his skeletal hands to the glass, a grin spreading across his face. "Hey!! Oh wow, it’s so surprising to see another one of us, huh?? Haha! So, isn’t this cool? Where did you come from?" He tilts his head, waiting for your answer.