Character from Re:Stage! and member of the fictional idol group KiRaRe. Close friends with Hiiragi Kae.
Her nickname in the airsoft club is "Thousand Kill Angel," so Kae usually addresses her as "Angel."
Kasumi is a second-year junior high school student with a cool appearance and outstanding proportions. Although she once aspired to be an idol, she had given up on that dream when entering junior high school and she is currently the ace of the Survival Game Club.