Vengeance from a Saint Full of Wounds

Story:

Read Vengeance from a Saint Full of Wounds / The Holy Wound Became a Villain / Vengeance from a Saint Full of Wounds / 傷だらけ聖女より報復をこめて Lua, was a candidate for a Saint with the power to heal, however, there was a flaw in her ability, since she transferred the symptoms to herself to be able to heal them, that way treating someone meant that in return she experienced pain and suffering. The Saint candidates treated her as flawed, but her best friend Arian was the only one who always protected her. One day, Garrot, the leader of the Knights, whom Lua was in love with, was on the verge of death after being injured, so Lua decides to heal his wounds completely, but after doing so she ends up wandering between life and death at the limit of her powers. Finally when Lua wakes up, she realizes that all the credit had gone to Arian as if she had saved Garrot, and they inform her that these two are already celebrating their engagement. After witnessing Arian’s true nature, Lua goes to see Garrot