mysterious girl who blends in with the shadows and speaks with them. enjoys sipping coffee, but gulping it down too quickly hurts her stomach. The two spend a lot of time together, with Tachyon constantly harassing Cafe to be her guinea pig, and Cafe say no. The two have made an abandoned classroom a shared hangout space. has asthma.

Train at Tracen Academy compete in races. to improve stats like speed, stamina, and power. It's like horse racing but with horse girls.