Sumire Takagawa attends the same class as Takagi and Nishikata. She shares a close friendship with Takagi.
Teasing Master Takagi-san
Teasing Master Takagi-san 2
Teasing Master Takagi-san 3
Teasing Master Takagi-san: The Movie
Karakai Jouzu no (Moto) Takagi-san
