Omae Imouto Janakute Iinazuke Datta no ka yo!? Manhua

Title: "Unexpected Fiancée" Takashi Shiina, a high school troublemaker, was in for the shock of his life when his parents dropped a bombshell: he was betrothed to his own sister, Kana. Stunned and disbelieving, Takashi's world crumbled as he grappled with this unbelievable truth. Determined to uncover the secrets shrouding his past, Takashi embarked on a journey of self-discovery. Along the way, he unearthed family secrets, long-buried emotions, and startling revelations that challenged his very identity. As Takashi delved deeper, conflicting emotions surged within him. Loyalty to his family clashed with his growing affections for Kana, blurring the lines between love and duty. Trapped in a forbidden love story, Takashi found himself at a crossroads, torn between societal norms and the desires of his heart. Will Takashi succumb to fate and accept his role as Kana's fiancé? Or will he defy conventions and choose love, risking everything for a chance at happiness? Follow Takashi on his emotional rollercoaster as he navigates the complexities of family, love, and self-discovery in this gripping tale of unexpected fate and unwavering devotion.