Wanna Skip School In The Infirmary? summary:

"Do you want to skip class with Sensei?" "I'm fine!"Miyake Mia has always worn the mask of an exemplary student. Recently, however, there is someone who draws a lot of attention to her. That's Nurse Morikubo, who is rumored to be a "delinquent" within the school....A pure love story between a high school student who hides her true self and a delinquent "nurse teacher"!