44 days in hell
A Japanese girl called Junko furuta was coming from her school to her part time job but Hiroshi Miyamo who had a crush on her was rejected by her and he was a yakuza member and kidnapped her and raped her then called other yakuza members and his friends then they all raped her multiple times then when she died they buried her in concrete in a dump in a construction field and police found her dead body in a traumatic state and when she was buried she was pregnant and is now the worst case in human history.