H00970 Tokubetsu Jugyou 3 SLG Ep 1

Teacher Ishizuka Kengo is assigned to watch over an old school building slated for demolition. He uses the position to target student Morimiya Saki, then her friend Arisa, her mother Rie, and fellow teacher Mashima Mikako. He wastes no time starting with Saki in an empty classroom.