Shishio no Gekiai Yosai (Kadokawa Ruby Bunko)

[Machine Translation] An old man gave Umikoto a stuffed lion after she had lost everything due to a series of misfortunes. When she cries in despair, the stuffed animal transforms into a beautiful man named Rion, who calls himself the king of the lion tribe, and begins to court her unconditionally, claiming that she is the reincarnation of his lover. For some reason, they end up living together, and no matter how many times she denies it, Rion continues to call her his wife and dote on her, leaving Umikoto perplexed.

不幸の連続で、すべてを失った海琴に老人がくれたライオンのぬいぐるみ。絶望した海琴が涙をおとすと、そのぬいぐるみは、なんと獅子族の王を自称する美麗な男・リオンへと姿を変え、自らの封印を解いた海琴を恋人の生まれ変わりだと言い、無条件に求愛し始めた。なぜか一緒に暮らすことになり、何度否定しても海琴を妻と呼び溺愛してくるリオンに困惑する海琴だったが、自身の中に眠るわずかな記憶がリオンを求めていることに気付き...。