 She is also apparently intelligent, since her grades in school are top of the class despite frequent absences.In the video game spin-off "", Kallen was one of the characters Rai meets, along with the other student council members, and greeted him after he wakes up.If the player chooses either Black Knight route or Blue Moon route, Rai becomes Kallen's love interest as their relationship developed and attempts to be close to him, while the player interacts more with Kallen if the player progresses a relationship with her in the Blue Moon route.