Back to black (Yandere Lookism)

When (Y/N), left Lookism she started to forget that Lookism ever existed. Everything about her changed over the years. She grew colder and yet she still had some care. When she gets sent back to Lookism she finds out that she supposedly went missing for 3 months already. She decides to go back into the school to surprise everybody, except they started acting weird once she settled down.