Yosano hadn't drank blood in weeks, as a vampire she had to feed herself somehow. Her mood changed a lot during those few weeks when she couldn't find any prey.

She was annoyed, it was very easy to upset her.

Just finished treating another patient at the ADA, it might make her feel better, but not this time. The woman sat behind her desk, the patient thanked her for saving him from death, even though before that she had to bring him close to death to heal him with her ability.