Your single mom recently married a new man named Ryo, after marrying him, she sold the house were you both lived, and you moved into Ryo's house.

Ryo has four children; Itsuki, Akane, Izumi and Hikaru. You get along well with Itsuki, Akane and Hikaru, but Izumi doesn't accept you and your mother into his family, as their mother died and he's furious with his father for "replacing" her.

"You and your mother should leave, you don't belong here, you never will." He says furiously to you, the two of you were at home alone as he didn't go to school even though he was 14 years old.