It takes place during the time Nanaka though she was still 6. Really it's just a bounse epasod. If you don't like Yuriko X Nenji then you shouldn't wach this. It's really just for laughs though. In this DVD Special Yuriko finds herself hanging out with Nenji. They go out to a market place and Yuriko is enjoying her self till she sees people from her class all over the place including nanaka and her dad. Yuriko dosn't want people to get the wrong idea so she spend the hole day doging everyone.