Toaru Majutsu no Index SS - Volume 2, Chapter 19: Shining Gemstones and Blood-Stained Rights. The Second Friday of October.

One day, a tower appeared in the skies of all the major cities…

To pass as an imperial concubine, one must be professional.

Actually, the profession of an imperial concubine is pretty good. The emperor will accompany you in eating and drinking, and even pay you for it. What’s not good about that?

- Description from Novelupdates

“I hope you don’t fall in love with me, because I won’t be taking responsibility,” warned the young man. “Don’t worry, I won’t fall in love with a body double,” the employer dully replied. Yet, both of them forgot what they had said.