The Final Boss Who Triggers Massacres, I’ll Make You Happy As A Supporting Character! summary: You are reading The Final Boss Who Triggers Massacres, I’ll Make You Happy as a Supporting Character! manga, one of the most popular manga covering in Webtoons, Drama, Fantasy, Webtoons, Romance genres, written by at MangaBuddy, a top manga site to offering for free. The Final Boss Who Triggers Massacres, I’ll Make You Happy as a Supporting Character! has 38 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add The Final Boss Who Triggers Massacres, I’ll Make You Happy as a Supporting Character! to your bookmark. Read manhwa The Final Boss Who Triggers Massacres, I'll Make You Happy as a Supporting Character!"The Last Boss Who Causes a Great Massacre In the world I was reincarnated into, my favorite character's life held tragedies that were never depicted in the game? This is the love story of a supporting noble lady who cherishes and protects her favorite character and a once-lonely former final boss who gradually opens his heart to her actions."