He's going out with Yūka Koyama, the class representative for Class 2-C, and which whom he attempted to set up an alliance with during the class war with Class 2-F in Volume 1.
Él está saliendo con Yuka Koyama, la representante de la clase C, y trataron de establecer una alianza (las clases B y C) durante la guerra con la clase F en el Volumen 1.