Sasaki Isaburo's past with the Shinsengumi, Matsudaira, and Imai Nobume is finally revealed.
They were taken in by Tenshoin Naraku 
and raised as killing machines.
تبناهم التينشوين ناراكو وتربوا كآلاتٍ للقتل
Tenshouin Naraku.
Eles foram acolhidos por Tenshoin Naraku
 e criados como máquinas de matar.