Net King: Kalbin, Cat? Forcing Ryoma to Call Him Brother

[Net King fanfic + dual male protagonists + cats turning into humans? +1V1+super sweet super pet+group pet+he Half-breed wind cat turns into human, attack, Kalbin vs Prince of Tennis, suffer, Echizen Ryoma When Echizen Ryoma woke up, he saw the face of a handsome European and American boy staring at him and saying that his name was "Carbin". That's right, his cat... Carbin turned into a human? ! Kalbin: "Ryoma, be good and call me brother." Echizen Ryoma: "When you get to Seigaku, don't expect me to call you brother." All the students: "Echizen, you mean this man is your brother? Why does he look so like a cat to us?" Echizen Ryoma: "You are not my brother at all, why do you have to be my brother?" Kalbin: "Change the name?" Echizen Ryoma: "My name is Kalbin." Kalbin: "Let's call him brother..." Echizen Ryoma is a cold and delicate person, and he is also a competitive person, but he feels frustrated in front of Kalbin time and time again. *Full text without a car! No cars! Click till then! It was all a straight man's idea!