My Yandere girlfriend keeps messing up my life

Yato Kazuma, a nobody, but he likes it that way. His only problem is other people. Despite not enjoying their company, he is in desperate need of a girlfriend, although when he gets what he wants it's not the type of lover he was looking for. Will Yato ever find peace again? ! ON HOLD UNTIL FURTHER NOTICE ! I got bored I'm sorry All hail self promotion! All hail the yandere sect! Ofc the artwork isn't mine here's the link to the original: https://www.pinterest.com/pin/620370917404744335/