Unsweet: Netorare Ochita Onna-tachi - Jokyoushi Kurose Katsuko-hen

Katsuko Kurose is a stubborn female teacher who takes her students seriously in accordance with her beliefs. A workaholic woman who has entered her thirties as a virgin, the first man she ever loved was her own student, Jun...... Katsuko is a beginner in love, but her strong and demanding personalit