Junko does not have many friends due to her personality and aggressive behavior, He only best friend is Senji, who have been friends with since they were 5 years old until Senji was taken away for special schooling at age 10. Recently she was reunited with her friend when he was transferred into Yammiko Academy along with Midori, who in fact has fallen in love with her due to her personal military background. She would bug Midori to train her in some military combat moves with at times will be ignored.
Junko also discovered Midori’s secret and one day during an attack on Senji. Which not only found it cool to see, but event got a heroic crush on her as well. However Junko does get a bit jealous of the relationship Senji has with Madori, which she tries hard to get Senji’s attention and affection when protecting him or during social interaction.