壁にメリー.com•

Kabe ni Mary.com

Oomori Youhei, an aspiring light novel writer is sitting before his computer one night, when he then hears someone calling behind him. It turns out it's a famous Mary-san from urban legend! Mary made a mistake when coming after Youhei and mistook him for someone else. But that won't prevent her from still trying to socially kill Youhei...