Yotsuha Kominato, a Kiss-Love Story with a Home Tutor who Teases me with Sweet Kisses, a Bad Student.

Plot: The protagonist is supposed to be preparing for his university exams, but he feels very uninterested about it. His Mom finds him a home tutor. But that had little effect on him, on the contrary, he infects the tutor with his life views… even beginning a spontaneous affair.