Touka Nishikujou  

, 西九条 灯花

Touka Nishikujou is a new instructor at Kotarous school who consistently displays a warm smile and exudes kindness. Although not their teacher, she frequently interacts with Kotarou and his classmates in the hallways. Her relationship with Sizuru predates her tenure at the school, and she has gained popularity among the students due to her affable demeanor.