I like how Hiroto already knew he saw something he wasn't supposed to and closed the book before Granny swiped it away. The small details and the paneling in this manga are peak.
She is also inexperienced with relationships as well. So, no surprise with her downplaying response when trying to empathize with him. Most likely the full story will be explained to her in either of two ways: from one of MCs friends or from that gyaru looking girl. One way clears the...