Beast Control? Then Let Me Resist the Contrast of the Yandere School Beauty!

Single woman + strong couple + fighting love "Dear~ Why are you talking to other girls again? Believe it or not... I killed them all!" "No, I just want you. Come here and do it tonight~" "Kill, kill, kill! No matter if it's a woman or a female beast, I'll kill them all if they dare to come near you!!" In an era when all the people were fighting beasts, Xu An's golden finger came out, and Xu An I thought I would embark on a life where I would step on the king of alien beasts and hold the beauty of the fox tribe in my arms. As a result, the system said... [I don't know what system I am in yet. How about I host you and summon the contracted beast first? Which system does not provide cheats before awakening? This system allows Xu An to awaken first? Xu An had no choice but to automatically ignore the system... Until... Hey! I have a good idea [Beep——The host has been bound to the system] School beauty Su Yu suddenly felt an inexplicable big steel rope pulling her and Xu An Instantly linked. "What do you mean? Where is my contracted beast? [Look at that beautiful woman over there, she is your contract beast] [As long as she becomes stronger, you can become stronger together~] Xu An was blown away, wasn't he? Why did he give the school beauty Su Yu a contract??? "Xu An! You have to give me an explanation! Why do I think you can't The name is so kind!" "Listen to my explanation first, forget it, come on, shake hands." Then Su Yu felt He had no control over his body at all. Did he really shake hands? Soon... "Xu An! You are mine! If I see another girl approaching again, You, every one of them counts! I will kill them all!" Su Yu's face was cold and sick...