It's time for the Summer Cleansing. At the Saeki Inari shrine, Makoto, Yumi, and Hiwako wake up early so Tatsuo's sister, Etsuko, can help them change into shrine maiden outfits. Tatsuo drops by to mention that a foreign-looking boy has arrived. When they step outside, they find the student council president Kirishima. People continue to gather for the semi-annual event.
that's been around since the Edo period.
der bereits seit der Edo Epoche besteht.
que existe desde el periodo Edo.
que existe desde la era Edo.
certes petit, 
mais datant de la période d’Edo.
che esiste fin dal periodo Edo.
que existe desde o período Edo.