Black Butterfly

7 years have passed since the OZ gang was disbanded.
The high school student Hoshino Eita is made to dress and work as a hostess called "Eira" at his family's establishment. While out in disguise, he encounters his classmate Miyabi Yamamoto. She inherited the banner of the OZ and "Eira" soon earns her trust.
Now they're off to begin a new legend!