Sarasa  

Tatara, サラサ

The main character is a 15-year-old female who adopts the identity of her deceased twin brother, Tatara, who was famously known as the "Child of Fate." As Tatara, she wields the sword of Byakko and leads the remaining inhabitants of Byakko Village. Despite being surrounded by allies, only a select few are aware that she is actually a girl. Sarasa's ultimate goal is to establish a prosperous, lush land devoid of conflict.