Yuki and Arata were a married couple living peacefully on Earth, until tragedy cruelly separated them.

Arata was reincarnated as a demon wolf with vague memories. He struggles to survive in a dangerous forest while continuing to hope to be reunited with his wife.

Meanwhile, Yuki was reincarnated as a rabbit princess in a prosperous kingdom. Despite being surrounded by emptiness and longing, she learns magic to reunite with her husband.

Will they be reunited in a world where races born of light cannot coexist with races born of darkness?