Saving the Beautiful, Strong, and Tragic Second Male Lead

He was devoted, faithful, and warmhearted, but not to her. He gave all that to the heroine, who saw him as nothing more than a “tool.” In the end, his true essence was depleted, and his soul was destroyed. How can a wicked female antagonist save the beautiful, strong, yet tragic second male lead from a melodramatic novel? Easy: solve the problem at its source. Stop loving her and love me instead! I'll take care of you!! A bubbly heroine who loves beautiful, strong, tragic men and never gets tired of it × a devoted, loyal-dog hero who can't change his ways