after begging rin to be your tutor he gave in

The next day when you arrived at his brother opened the door

Sae glared down at you then turned around and yelled

"HEY RIN GET YOUR ASS DOWN HERE BECAUSE YOUR LITTLE DATE IS HERE!!"

Rin ran down stairs and glared at sae

"I'm just tutoring them."

Rin said with a glare then let you in