Original sentence: In October 2015, Daibū left the group leaving the group with seven members.The group began posting mostly athletic videos, but later took on other genres such as comedy, challenges, pranks, and supernatural phenomena.The group is based in Katsushika, Tokyo, and was formed in 2010 by eight classmates of the same junior high school to commemorate their graduation.Their style comes from the members working and negotiating together and their ad-lib style of progression
Edited sentence: All the members are from Katsushika, Tokyo, and are classmates from the same junior high school.Although the group originally consisted of eight members, after Daibū left the group in October 2015, the group was left with seven members.Although the video was only uploaded on YouTube to simply store the video in an accessible place, the video received reactions from other people on YouTube.The YouTube channel started from their first video commemorating their graduation.The group soon began posting more videos on YouTube, consisting of mostly athletic videos, but they later took on other genres such as comedy, challenges, pranks, and supernatural phenomena.The group was formed on February 25, 2010, upon graduating from junior high school.Their distinct style comes from the members working and negotiating together and their ad-lib style of progression