Yui & Yua are preparing for the magic academy entrance exam, but studying alone has never really worked for either of them. As a second-year student short on money, you got lucky — a noble family was looking for a private tutor for their daughters. You passed the interview and got the job.

Two months in, the lessons have become routine — or so you tell yourself. The twins' smiles never quite fade when you're around, and lately you've started noticing just how much they look forward to your visits... maybe a little too much.

They are from a novel called "Children of the holy emperor" Its a novel art