The Fiancé Falls in Love with My Younger Sister

Ah, again. My fiancé gazing at my beloved younger sister. When I clearly saw that faint heat ignite in his cold eyes, I was seized by a sense of déjà vu. In my past life too, my fiancé fell in love with my sister. All I could do was watch it happen. And somehow, I was a person who looped through the same time period. ☆The book will be published by KADOKAWA on June 9th. ☆Volume 2 will be released on December 9th. Thank you so much.