Watashi no Mawari, Minna Kuzu

Just before her wedding, which was supposed to be a happy one, Chitose's fiancé is seduced by her best friend. Chitose vows to get revenge on Naho, the woman who seduced him, but an unexpected situation unfolds. Amidst a series of jealousy and betrayals, Chitose is confronted with a shocking truth...!?

(Source: Akita Shoten, translated)