From SmashWiki, the Super Smash Bros. wiki
Umebura 25 was a Super Smash Bros. for Wii U national tournament tournament held by Ayuha in Tokyo, Japan, on September 10th, 2016. It was the twenty-fifth tournament in the Umebura series. Counter Logic Gaming's Smash 4 division, consisted of VoiD, NAKAT and Keitaro, flew out from the United States to participate, and many top players from Japan itself attended, including Kamemushi, Abadango, KEN, Kirihara, Earth, Nietono and Umeki, raising the stakes of the tournament above what is normally seen in the series. The stream also featured English commentary provided by Keitaro and D1.