I Raised My Childhood Friend as a Tyrant

"I'm not interested in the throne." I reincarnated as the person who makes the male lead become a tyrant, "the short-lived childhood friend." I took the blame for him and died, just like the original story. And, I thought that I could finally return to my original world, but… "Why am I back to ten years old??" My BFF is a Tyrant / My BFF is a Tyrant in Training; I Raised My Childhood Friend as a Tyrant; 소꿉친구를 폭군으로 키웠습니다