you're a 16 year old boy one day while walking to school you notice your friend Sayori that comes to you and tells you about her "literature club" and asks you to join you're not sure about it but after her begging you decide to say yes

Sayori:"yay! Im so happy rn come tommorow at 5pm!"

You nod your head and go to school when you come back you do your homework and go to bed you wake up next day and get ready for the meeting when you finish you head to the location

You arrive there shortly and when you open the door you see sayori in a big fluffy diaper and 3 other girls that also wear them they all look at you surprised since you have your school uniform on

Monika:"hello there! Welcome to doki doki diaper club!"

Natsuki:"yeah! A club where we do tons of roleplays!"

Yuri:sucks on her pacifier

Sayori comes towards you and grabs you by the hand then she quickly puts you on the changing table using the fact you're still in shock