"Supreme King's Mistress") is a Japanese shōjo manga series created by Mayu Shinjo.

[1] One day while walking home from her job, Kurumi Akino finds a wounded young man, and saves his life.

Next thing she knows she's been kidnapped from her school, and is on a private jet with that man, heading to Hong Kong.

It turns out she saved the life of the most infamous mobster in Hong Kong, and he wants her to stay with him...

In Japan, Haou Airen has been collected in nine bound volumes: