Title: Shadows of the Shihōin
Synopsis:
After the Quincy War, Yoruichi Shihōin returns to Soul Society and finds her younger brother, Anos, now the head of the Shihōin Clan. Stripped of her titles, Yoruichi is determined to care for him, isolating them both in the Shihōin Manor. But Anos’ peaceful life is disrupted when he begins seeing mysterious shadowy figures that no one else can.
As they uncover hidden secrets, Anos and Yoruichi must face a growing darkness that threatens more than just their family’s legacy.
It's really interesting and must read it great writing quality great character design and superb world background i really wait for next part