1, the reason is that her body is actually an alien monster with needle-like teeth in her mouth and looks like a bloodsucking leech with limbs. Once she is emotional, she will reveal her prototype.

2. Shatiya is the true ancestor of vampires. Peroroccino set her age at 14 years old, which means that her body stopped growing from 14 years old, so we can often see that she looks like a Gothic girl.