Yandere Makoto x Reader

You are looking for a place to stay that is closer to your university... you find a place that seems suitable for you and the one catch is that you'll be staying with a roommate. you find out that it is a guy named Makoto Tachibana.
After Weeks of living with him he seems like a nice guy. however, as you start to enjoy hanging out with your friends more, he starts to act strange.