The world is made up of littles, caregivers, neutrals, neutrals with tendencies, and stiffs. When someone turns 16, they get their classification, and the proper adjustments are made so that life can continue to function normally. However, what happens when Tony, a secret broken little, gets caught by his son/pupil, Peter Parker?

Deceit has been going through a lot of pressure lately with all this work and decisions so he every now and then finds somewhere private to relax

Yamaguchi wakes up one morning to find himself as a child again, with no clue how this happened he goes to the volley club for help. With a child heart yamaguchi only trust Tsukki and Tsukki stays by him hoping to find a cure. As days go past and yamaguchi mind fully child the volley club starts to worry for the poor little yamaguchi Seeing his childhood friend so small again and learning new feelings from the little yamaguchi, love starts to form but will they be able to help yamaguchi or will tsukki heart stay frozen forever.