Atsuko Sasaki

Оригінальне ім’я: 佐々木敦子

Sasaki Atsuko, commonly known as A-chan, was Katarina's best friend in her previous life. In elementary school, Atsuko was often teased, ignored, and had her stuff hidden. She was kept out of the loop by everyone and this caused her to become recluse and afraid of other people.