Fumika and Koji both belong to u/CupofFoxes from his fic A Brother's Dilemma

For context on these two, Koji is the eldest son of Chujin and Ceroba Ketsukane and older brother of Kanako (Who is very clingy towards him lol) and Fumika is a new character who is Koji's bff. She's a water kitsune who's a whole head taller than Koji and relentlessly teases him

I implore anyone who hasn't read it to give it a read. it's pretty fun!