Gakkou no Kaidan G

Shokuki: A girl who was dead at the pool of the school becomes a ghost. It often eats stealthily the dishes of the students. Katasumi: 2 girls are attacked by 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.
(Source: SiraddA)