He started studying for about ten hours a day and gained the top score for the mock test in his school.

After that, having broken up with his girlfriend, he began posting videos he made with his friends during college freshman year on YouTube, thinking, "I'm going to focus on me.

[9] He appeared in the YouTube Japan television advertisement "Suki na koto de, Ikite iku" in June 2015.

Along with this, his full-page ads were posted in Weekly Shōnen Jump[10] and Shibuya 109, and his exposure on media other than YouTube also increased.

"[13] In March 2017, Mizunyan, a webcaster, exposed Hajime Syacho's cheating scandal with Yuka Kinoshita, who also belongs to UUUM.

[18] In the beginning of November, the woman approached Hajime Syacho's house and received a restraining order from the police.

[22] Additionally, upon request from companies, he frequently posts product review videos and participates in events and campaigns.

[24] Many of his videos, such as "wasting Nivea cream", "suspected cheating", "destruction of golf clubs", and "turning a broken computer into tempura", have been picked up by online news outlets, which results in him being flamed frequently.