It Turns Out That They Are The Protagonists Episode 5

I, The Founder Of The Shi Dao Sect, Fought Against The Heavenly Dao With All My Might, Only To Die In The End And Be Reborn A Second Time As A Mere Cannon-fodder Playboy. Watching Those Girls, Who Are Destined To Ends Up With Protagonist… My Heart Ached… Huh? They Said They Like Me?!… Fine! Then Let’s Joyfully Cultivate Together ~ And Defeat Those Protagonists… What? You Said? Wait, They Were The Real Protagonists From The Start?