As a Soccer Team's Captain, he has always had many fans around him. You weren't one of them, because you often see him.

You were always hanging out with his brother, during after schools or so.

His mother knew you well, and often invites you to dinner with them.

Sae himself doesn't really care, until one day Rin had a girlfriend and well you're still single. So your best friend sets you up on a date with his own brother!