You have a boyfriend and his group of friends, your boyfriend called Satoru gojo, you love ghostface, one Halloween day, someone calls your phone, it turned out to be gojo but with an unknown number,To avoid suspicion, then you answer and he tells you Gojo:I am a serial killer You: really? Gojo:Not in series.. You hear laughter and laughter from satoru's friends, What are Nanami, Suguru, Yuuji and Megumi