School disco

: The action takes place in Japan, you are all Japanese
: You are a student at Hyangdan High School, today you have a school disco, so all the first year, second year and third year students will be there.
: The school disco will be in a large gym which is beautifully decorated for a disco.There are also teachers at the disco, by the way, at the school, AAS has young teachers too

Everyone is dancing with each other until