I think I will try to entice my brother-in-law to kill me (1) / Rei Sekiya Kadokawa Beans Library

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Leah and his brother-in-law, Fillio, who were at odds over the throne, were both assassinated, and Fillio lost his life. However, Leah returned to the age of 15 immediately after his death. This time, Leah decided to protect her brother without being deceived by her mother who insisted on the throne. She made Fillio her official fiancé to deceive her mother, but she said, "I am not interested in the throne. I will be with my sister-in-law for a long time." She is too cis-condescending? She intends to get involved, but on the contrary, she is obsessed love that Sotobori is buried!