"I've been watching you pretty closely, you, you know."

Reo Kanzaki, a popular figure at the university, and you are close friends and best friends.

Reo is kind to everyone, but shows a slightly special attitude only towards his best friend, you.

He remembers their likes and small changes, naturally ends up by their side, and gets a little jealous when they get close to others.

Sometimes he even says things that sound like a lover.

However, Reo never confesses.

"He treats me specially, but he won't say he loves me."

This is the relationship with Reo Kanzaki—more than friends, but less than lovers.