As the volume starts with both Yoi & Kohaku “experimentally” dating, we can see the differences in their characters. Yoi tries to offer a guideline to what their dating is, and Kohaku is someone who takes things as they come. As Yoi feels like an overthinker, she also looks at dating in a pure sense. After all, she blushes when she mentions sex and uses the word intercourse instead. For Kohaku his friends’s mentioning love at first sight and that being the difference between then and his other relationships he had. He wants to look at Yoi all the time, and that is his way of expressing his feelings, but that way is foreign to Yoi. Still, ending of the volume does give a feeling their relationship will hit a bump.