This Summoned Beast Is Not Serious

Xiao Yi, who was about to embark on a vacation after the college entrance examination, was inexplicably summoned to a different world and became the first "humanoid monster" in the history of the Hilland continent. Even if it is regarded as a summoned monster, why does the activated system have so many side effects? What's the point of becoming more and more greedy and lustful? Also, why are all my female companions troubled girls? They are responsible for most of the fatalities, and I am always the one to clean up the mess. Why is my life so miserable?