Ashibe-kun and Goma-chan are preparing to spend the night at Sugao-kun`s house. Before they leave, Ma tells them to be on their best behavior, and they`re determined to exercise good manners! Sugao-kun`s dad has been doing all kinds of things to prepare for their visit, including setting up a wading pool, but his efforts seem to be in vain... Then it`s time to lay out the futons and go to bed. Wait, what`s that? Goma-chan seems sort of sad... Is he homesick?!