The Male Side Character Cultivates Immortality, While the Heroine Is Sacrificed

I am the senior disciple of the Great Sun Sect, an upright and kind man. Justice has guided the first half of my life. I want to be a good person in the second half, too! [Congratulations, Host, you have awakened the Betrayal System.] [Three people have reached a favorability of 80 with the Host. Please betray them.] What? I’m a righteous cultivator! Those people are my dearest friends and sworn brothers! [Betrayal target detected.] [Betrayal mission issued.] [At Fang Xiang and Nangong Yaya’s wedding, take Fang Xiang’s place in the bridal chamber.] [Mission reward: Sacred Heart.] Jiang Sheng: “Yaya, you can threaten me with your virtue all you like, but no one will believe you. After all, everyone says I’m a good person. Heh heh heh.”