My Younger Sister Is the Primordial Witch

[Adoptive Sister] [Campus] [Daily Life] [Affection] [Magic]

"Congratulations, you have a little sister now!" her mother says over the phone.

A mind-reading mage of a big sister gets a white-haired adoptive sister with time-stopping magic. The younger girl even becomes a student in her class.

An original witch? Hundreds of years old? Is this your way of acting out a chuunibyou fantasy? Just wait, I'll teach you a lesson.

...What do you mean, everything you said is true? S-Someone's trying to frame me, right?