Black Zetsu panted heavily. Then, lowering his head, he slowly spoke in a hoarse voice.
"After that, Mother began a years-long battle against Hagoromo and Hamura!"
"Until... one day, during a battle with Mother, Hagoromo accidentally killed Hamura... It was then that he gained the legendary Rinnegan..."
"After obtaining the Rinnegan, Hagoromo revived Hamura. Their strength underwent a qualitative leap, and working together, they finally sealed away Mother, who was overcome with grief..."
Hearing Black Zetsu's words, Aizen seemed able to see the sorrowful, heartbroken expression on the fair face of that silver-haired girl from long ago.
His face remained expressionless, but he slowly spoke in an exceptionally calm voice.
"Enough... You need not tell me what happened afterward..."
"Right now... I want to know more about who you are and what relationship you have with Kaguya!?"
At Aizen's words, Black Zetsu slowly raised his head. He no longer concealed his identity. His reddish-yellow eyes looked at Aizen as he spoke hoarsely.
"At the very last moment before Mother was sealed, she created me. My entire purpose for existing was to awaken her once again in the future!"
"I witnessed the rise of the Ninja Sect. I know the role Hagoromo played in the age of shinobi, and I also know of the years they concealed!"
"I have no independent body... but I possess part of Mother's memories. Naturally... I also remember the impression of the person most deeply etched into her memories..."
At this point, Black Zetsu's reddish-yellow eyes fixed firmly on Aizen as he spoke in a deep, hoarse voice.
"From the looks of it... you still remember Mother as well... don't you, Lord Aizen!"
At Black Zetsu's words, a glint flashed through Aizen's eyes. His expression shifted slightly, and only after a long while did he calmly