Ghost Class

(from ebookjapan):

A school horror manga by the master of horror manga, Jiro Tsunoda. He depicts a terrifying event that took place at school. Tori, a member of the class council, dies in a traffic accident while shouting, "Mita-san is scary".

Ishihara, who was elected as a new class member in place of Tori, is summoned to the science laboratory by Sanda, a female student who is also a class member...?