The Final Boss Who Triggers Massacres, I'll Make You Happy as a Supporting Character!
Dai Gyakusatsu wo Hikiokosu Last Boss, Wakiyaku no Watashi ga Shiawase ni Shimasu!
大虐殺を引き起こすラスボス、脇役の私が幸せにします！
Dai Gyakusatsu wo Hikiokosu Last Boss, Wakiyaku no Watashi ga Shiawase ni Shimasu!
大虐殺を引き起こすラスボス、脇役の私が幸せにします！
63Description
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. [Original Webtoon](https://manga.line.me/product/periodic?id=S140560)