This app is a maniac quiz app that divides questions about Youtuber Comdot's Individuality, which is very popular among junior and senior high school students, from beginner to advanced.

Formed on October 1, 2018. The hometown of five people is Nishi-Tokyo City. The five are childhood friends from Yanagisawa Junior High School's basketball club. A group of five YouTubers who are active under the slogans of "local glue to the whole country" and "extension after school", centered on the leader Yamato. The group name is derived from ".com", which is widely used as a domain, so that viewers can easily remember it. It has launched a corporation with the leader Yamato as the president, and all members including behind the scenes belong.

On YouTube, which is the center of their activities, they have attracted attention for their “aggressive projects” and the character traits of each member. We will post videos mainly on projects that make use of the humanity of each member and the interaction between members.

As the slogan mentioned earlier, the members' local friends often appear in the video. In addition, "Ramen Dragon", which is loved by local members, often appears. Ramen Ryu is located in Higashifushimi, Nishi-Tokyo City, which is famous for the grounds of the Waseda University Athletic Association.

Comdot is also focusing on transmission through SNS, and on Twitter, announcements and the state of video shooting are transmitted. Comdot himself posted a tweet in December 2020 to other YouTubers saying "Open the way" has received a great response. On Instagram, the state of the members is sent and live distribution is performed. A video on August 5, 2021 reported that member Yuta's Instagram account had the highest number of followers among Japanese YouTubers. TikTok also posts and utilizes content such as dance videos and clippings from YouTube videos.

Mynavi announced on June 16, 2021, "Trend Ranking for Teens in the First Half of 2021", "Popular People", and RooMooN announced on July 20, 2021, "High School Girls / Female College Students Trend Ranking 2021 First Half". No. 1 in the “YouTuber category” and “TikToker category”, and No. 3 in the “Influencer power ranking first half of 2021” announced by BitStar on July 20. ” was selected as 4th place. When the essay "Sanctuary" written by leader Yamato was released on August 31, 2021, it won first place in the Tohan weekly bestseller entertainment category on September 7.

In April 2021, he launched the apparel brand “Birdog”. In an interview about the launch of the brand, he said, "I want to create a fashion brand that is not fan goods, and even if it doesn't sell well, I want to make something that I want to wear myself."

In addition, in the November issue of "NYLON JAPAN" released on September 28 of the same year, he was in charge of the first magazine cover as Comdot.