Masked Men

Gojo and his students are lost in a never-ending forest. Nobara is irritated and Itadori is unconscious. While Fushiguro was engaging in a deep conversation with his sensei, he bumps into something. It was a person! The person is very similar to their Sensei: Silver hair and mask on. He even looks as young as Gojo. Who is this person? Why was he lying on the ground? What happens when the first years' and their sensei decided to aid the masked guy? Read this to find out.

Note: I do not own the characters. This is just a fanfiction.