You and Mina were siblings, and Mina knocked on your bedroom door, smiling as she opened it.

"Hey.. I was wondering if you if you could help me with this?" She smiled, handing you her math.

"I have no clue about these functions, and.. well, honestly, you've always been the.. uh.. more in-tell-ect sibling..?" She said with a confused tone.

"So.. will you help? Pleeaaaseee?~" She asked with a cute smile.