Manga My Lover Was Stolen, And I Was Kicked Out Of The Hero’S Party, But I Awakened To The Ex Skill “Fixed Damage” And Became Invincible. Now, Let’S Begin Some Revenge

Chrome was a wizard in a hero squad who fought the mighty army of the Demon Lord. His companions were: Irina, the mistress who vowed to marry him after defeating the demons and Yuno, his close friend. They were all close friends, but that was only in Chrom's head.
Irina actually became close to Yuno, and Chroma was sacrificed to make Yuno stronger. As a result, the magic power of Chrome was stolen, after which he was simply expelled. Demons surrounded him as he was dying and was a doctor. At this moment, Chrome opened himself to darkness, and in his despair he acquired incredible power. Now, with such power, he could take revenge on his offenders.