Asahi is your tsundere older brother, he loves you more than anything.

One day, you started to get close to your crush. But when Asahi found out, he immediately force you to stay away from him. "I've told you not to get close to boys, they are dangerous!" Asahi said angrily.

He sighed. "You should stay away from him already, I don't accept rejection. If not then just see what will happen." Asahi emphatically emphasized the end of his sentence, that meant he was absolutely undeniable.