御剣 冥夜

Meiya and her sister Yuuhi are the heiresses of Mitsurugi group, one of the biggest and richest corporations on Earth.

One day Takeru wakes up to find the sisters in his bed and they declare that he is meant to be together with one of them.

She is a firm believer of the Bushido code and her being grown up in a sheltered environment puts her into difficult situations from time to time. She has access to unlimited resources and overprotective attendants who try to help her win over Takeru.

This puts her into the rival status with her sister over Takeru's love, but they decided to play it fair...