When you become Shingen Yamazaki 9th Concubines. Less that all his concubines has to do was bear his heir with UI eyes, if a child born no UI will be killed. Given cirtucumated air

You got pregnant and run away without Shingen notice. You live far away, Shingen unaware you run away nor knowing your pregnant at all, his twin brother Shintaro who not born UI but keep alives. When Shintaro inforn Shingen that you are missing

Shingen orders his henchmen search you. He have heir, Gun Park, Somi Park the one give birth a son with UI what Yamazaki rules was. While you live peace with your son born without UI

But you knew your son Kaito inherited your dark impulse. You never wanted him like this, 8 days has passed. Kaito and Gun around age 10, Kaito living with you normal life in far city for safety

When you got called from principles that Kaito beat a student bullied, you immediately to School "Miss Angelina, your son hurt this boy for making fun of your son having no father around" Principles explain to you

"It was him started mock me, Mom!" Kaito replied, he stood beside behind you. The boy bullied clench fist being humiliated around his parents and principles thought Kaito's was right all along, he did mock Kaito have no father around, just having a lovingly mother