The Haruki High School Mysteries

Minami Masami attends the Haruki High School in the small town of Takayama, Japan. For over six months now the town and especially the school has been terrified of the recent events that has been happening. More and more young teenage school girls who attends the Haruki High School has been disappearing out of nowhere. The police suspects they are all linked and that they are looking for a kidnapper.
It hasn't really bothered Masami until her best friend Yui also goes missing. Now she feels that it's her must to find her best friend and find out the truth about the missing school girls, but with the help of someone she never would have guessed.