Nisemono Seijo ga Honmono ni Katsugi Agerareru made no Sono Katei

To repay my debt, I agreed to become the body double of the saint. The job description was simple—after the real saint had ditched her job to go on a honeymoon, I was supposed to dress up as her, and go on a pilgrimage in her stead… …In all actuality, it seemed that the real saint was a ridiculous person who did various misdeeds and was hated by her traveling companions with a passion. Moreover, our destination was full of life-threatening dangers. …As I thought, I was bamboozled. Source: NU