Yozakura Quartet Vol. 23 (Kodansha, 2019)

Oushuu Hiizumi, Akina's ancestor and head of the Hiizumi clan of eld, has descended in a form only the gods could have predicted! At last, the truth behind Oushuu's tuning of the branch family is revealed-a tragic tale of a man with powers too great for any mortal to bear, and the loneliness that ate away at his soul. And in another shocking reveal, Enjin Hiizumi's shadowy origins finally come to light!