Kyouka Izumi

Age: 14
Birthday: November 4
Height: 148 cm
Weight: 40 kg
Blood type: B
Hair color: Black (indigo in the anime)
Likes: Rabbits, tofu, hydrangea, ghosts
Dislikes: Dogs, thunder, flies
Ability: Demon Snow; allows her to materialize a sword-wielding phantom, known as Demon Snow, which only follows orders coming from a mobile phone she always carries on her person. It appears that it only listens to orders from another person on the other line and it does not comply to Kyouka's own wishes.

Assassin for the Port Mafia, Kyouka's personality is similar to that of a doll. She lacks all emotions and is ruthless when she is ordered to perform a duty.

(Sources: Easy Going Scans, Bungou Stray Dogs Wikia)