Notice Me Please!! Female yandere x Male reader

This is a story about Y/N going to a different high school in Japan. He makes some new friends and he is pretty popular on the first day. He meets a girl named Kyoko, he doesn't think nothing much of her but he grows feelings and he doesn't want to notice her much. Until one day... his friends start to go missing very slowly... He thinks that Kyoko isn't the one doing these things, so he blames it on a student named Haruma, a girl who has a crush on Y/N. But, Kyoko is surely caught by Haruma. She tries to warn him the first time he went to this school. but it was too late.....