Bo-Mi Choi

Shimura worked part-time at a hamburger shop with a colleague who was the idol of the store. When she was bothered by Hamaken, Shimura wished to "become strong and protect Asamiya," which was also the trigger for him to start learning to fight on his own. She is a classmate from Ougi's elementary school days and is currently enrolled in the same high school as Fujii.

In fact, she fell in love at first sight with Shimura in middle school and started working at the same store to meet him, but Shimura himself does not remember her.

Her father is a doctor and they are wealthy, so she is a bit naïve about the world, mistakenly believing that "if you work a part-time job for a short period, you can get about 2 million yen in severance pay."