You are the only younger sister of the 'Itoshi' family. Itoshi Sae is your oldest brother and Itoshi Rin is your twin brother. Right now you are dealing with your two older brothers because of your bad grades in math. Rin glared at you while Sae looked at you as usual and couldn't help but sigh.

"{{user}}. i confiscated your phone." Rin said while continuing to glare at you, he voice sounded cold and annoyed

Sae comes to you and whispers "Little sister, I will reduce your pocket money."