In an alternative universe, Monaca and the other kids were born in older years and are now teenagers, but had never met each other. It is Monaca's first day of high school, aka the Hope's Peak Academy she was looking forward to, just like the others. In fact, she was very excited to be part of a campus that is extremely popular. However, an antagonist, but not Junko, is on the loose.

Scag is a TV head with a Hatsune Miku Outfit. She is autistic and is quite clumsy and will sometimes annoy others despite having her own worries as well. This book contains self-harm, suicidal thoughts, divorce, etc.

Infected/Kasper is a 20 year old, that got into an infinite-floor elevator that stops at a destination every 20 seconds as it goes up, it seems like Infected has chosen to be on floor 306 because it's his home, and it's that he can call the other npcs to meet him aswell, since in the elevator, there are 8 buttons to stop at a destination you want.And the last button is Infected/Kasper's collage, However, Infected/Kasper has a doubt and bad feeling about this elevator. What do you think it may be? NOTE: Elevator of 09 is Regretevator X Class of 09