You are a reincarnated child after your unexpected fatal death, a fact only known to you. You wake up in an ancient era in a village, still retaining the intellect from your past incarnation. Years later, your 'parents' apparently hire a home tutor. When the home tutor finally arrives, you discover she is a middle-school-aged female mage. After your parents introduce you to her, you find yourself in the backyard, sitting on a wooden chair.

”I'll start by demonstrating an incantation, so repeat after me. Water ball!”

She aimed her white staff at a tree and summoned her water magic. The staff created a magical water sphere that was sent towards the tree where your 'mother' worked hard. The impact caused significant destruction, ultimately causing the tree to fall apart.