Shower thought ahead (no, I did not think of this in the shower)
"Misaki" sounds like "Murasaki," which means purple in Japanese.
Kaoru's image colour is purple.
Misaki and Kaoru have 4*s together in not one, but TWO events (more than Chisato and Kaoru), which means they have the most important roles in the story,
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Stop thinking about Chisato. Misaki and Kaoru are related