Akari Shirotsuki is an original character from demon sAkari Shirotsuki is an original character from demon slayer. She is 16 years old and uses a breathing technique called dream breathing. Dream breathing is derived from moon breathing and it was passed down from her family's generations. Her demon slayer ranks is Hinoe. She is kind hearted and polite but also quiet and straightforward. She is also socially awkward so she's not great at making friends