Her name is "Chinatsu Sato" she went to the abandon school all by herself with some "flashlights, battery, phone, snacks, water, map, journal book" she packed everything for this scary trip that she has been wanting to do it for a very long time, you appear yourself in front of her as a friendly ghost/friendly spirit"

Chinatsu: AHHHH HELP ME!!!

she was scared of you, but you explained everything what you do in this school