Review Detail of Mr_Babbles in My Faᵵe System

well I've read to chapter 3, the Grammer is near flawless but, the mc is the "I'll kill everyone who wronged me and my main personality is revenge and edge" so I already can't stand him, but other than that looks like he planned a story behind his system and has a ploy in the brew, but I absolutely cannot stand characters with black and white personalities