Injuu Kateikyoushi

Seventy before, several mysterious murders took place Tokyo, Japan. Young, beautiful women build dead, their dried up like ancient mummies. Now ladies are dying exactly the same way and Miho, a 19 year-old pupil discovers a weird stranger is stalking her. While her buddy Azusa, is busy seducing their professor, she discovers he isn't human by any means, but a horrible tentacle-endowed monster! Since his dark secret's revealed, both girls are on the go for life, but may she avoid the hideous monster disguised as being a mild-mannered professor?