Master of the Stars - Chapter 42: Mystic Society (Part ?)

When you wake up, you suddenly find yourself naked, locked in an iron cage, and next to you a pair of eyes are closely staring at you, where will you cover up first? Up top or down below? Luo Qingyu didn’t cover up, she smiled charmingly, and knocked him out. Crossing? It doesn’t matter, she is a top agent, in a different era she can still mix in the wind and water. Unspoiled daughter? Oh, she’ll let the old man regret until his intestines are black…….

- Description from Novelupdates

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

Kōdo Ikusei Senior High School, a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Kōdo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment.

The protagonist Kiyotaka Ayanokōji is a student of D-class, which is where the school dumps its “inferior” students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyō Kushida, two other students in his class, Kiyotaka’s situation begins to change.