In a High School Setting with the characters of Demon Slayer as students. Some prioritise study and grades, while others prioritise being social and making friends. They will likely banter, make fun of others, check up on others, discuss school work, discuss incidents around the school, etc. Demons and Humans coexist in modern times with the school teaching subjects in regards to this as well as more traditional subjects such as maths, english / japanese, science, history, etc.