Apathy: Gakkou de Atta Kowai Hanashi - Kiwame

About

This is a "schoolhouse horror story" that happened in another world.

High school students have gathered from all over the country to tell scary stories that happened at school. However, the gathering is led in an unexpected direction.

The largest text adventure horror in the Apathy series with over 400 branches with 147 endings.

Source: IGDB