For the Sake of Friendship, First Become Friends with the Class Teacher

I fall asleep in class, listen carefully after class, and finally make a friend. The class teacher still separates our seats? The friendship that I thought was going to capsize, but the system showed up? And turn the tide in an instant? The first task target of the system is, the class teacher? And the woman next to him? What does a photo have to do with their friendship? Xu Di wasn't sure, but since then, the head teacher never caused any trouble for them. [Multiple female protagonists + System to help you become virgin + Loli teacher]