Gakkou no Kaidan G (1998)

Shokuki- A girl who was dead at the pool of the school becomes a ghost. It often eat stealthily the dishes of the students. Katasumi- 2 girls are attacked a mysterious woman. 4444444444- A boy finds a ringing mobile phone on the street. He answer the phone, but... Kodama- While kazumi and her friends make an experiment on psychic powers, something evil attackes them.