Signal Red Baby

From Attractive Fascinante:Shougo and Kazumi are cousins. They have been training since young in the world of Kabuki. Shougo's father, Ikuomi, has always been cold towards him. Shougo's uncle, Masahiro, is also on bad terms with Ikuomi. What happened in the past? Is that the reason for Ikuomi's coldness towards Shougo? What will Kazumi do to protect Shougo from getting hurt?