In 2023, he launched his own brand "Hikakin Premium" and released cup ramen, "Misokin Rich Miso Ramen," (みそきん 濃厚味噌ラーメン) and cup rice, "Misokin Rich Miso Meshi," (みそきん 濃厚味噌メシ) at 7-Eleven stores in Japan, and reported selling 10 million meals in November 2024.

His online popularity has also boosted sales of the video games he plays and inspired support for charitable fundraising efforts.

The supermarket at which he worked had a company dormitory and the rent was deducted from his monthly salary, so he didn't have to worry about finding a place to live.

This video reached the number 1 spot on YouTube for the month in Japan and was featured in the top story of CBS News in the United States.

Furthermore, he was selected as one of the top 500 best YouTube partners in the world in 2010[22] and won the "WOW Star Project 2010" and was invited to Las Vegas.

[24] Later, an opportunity presented itself when a contest called "YouTube NextUp 2011" was held, with 10 winners and a prize of 2 million yen (about 12,800 USD).

[25] After achieving success with his beatboxing videos, Hikakin soon realized that he would reach his limit if he continued like this, and in July 2011, he opened a new channel, "HikakinTV," to show his daily life.

[26] In 2012, he left the supermarket Yoshiike, where he had worked since moving to Tokyo, and began to make a living from advertising revenue through uploading videos.

'"[18] In December 2012, Hikakin released his first album, a collaboration with video game music composer Hideki Sakamoto, for the soundtrack of the Echannel drawing application of the PlayStation Vita.

[‡ 6] In December 2014, Hikakin went to New York City to do another collaboration video with Ariana Grande, doing beatboxing with her, while she was singing "Break Free".

[45] Later, on September 17th of the same year, Hikakin announced that he would donate 10 yen (about 0.06 USD) for every additional subscriber for the rest of his life.

"[46] On August 7, 2022, Hikakin released a video of a large-scale project in which he rented out Fuji-Q Highland, titled "Catch the Popular One!

[12] Around April 2024, Hikakin posted a popular short "counter video" celebrating the moment when his channel reached a certain number of subscribers.

[55] In addition, in May 2024 alone, his subscriber numbers increased by 4.08 million,[56] and he commented, "I made counter short videos popular and ushered in a new era for YouTube.

The production cost about 50 million yen, and it was shot over a total of 70 hours over four days, from morning until late at night.

[‡ 9] He says that his fan base is mainly elementary and junior high school students, and he wants to create content that the whole family can watch while having a meal.

When he was in junior high school, he began posting beatboxing clips on bulletin boards under the name Hikakin, and the name gradually spread, so it stuck.

While beatboxing was what he was best known for in his early days, in 2011 he began posting product review videos on his channel, HikakinTV, and eventually branched out into other genres.

[68] Early on in his career as a YouTuber, Hikakin said he didn't hire any editors or outside assistants to help him produce videos, and "I did it for years without getting enough sleep.

[78] As a final preparation to realize the dream of his original brand, Hikakin Premium, he took a break for the first time since he started activities.

[81] It was reported that it sold out on the first day of release,[82] and words related to "Misokin" trended on X (formerly Twitter),[83] and posters titled "Apologies" were put up in each store.

[98] In addition, in 2015 and 2020, false rumors were spread by viewers and caused a stir,[99][100] and he posted two videos at the time to clear up misunderstandings.

[‡ 14][100] On the other hand, in a live commentary video of Apex Legends that was uploaded on July 12, 2022, he repeatedly yelled abusive words at his teammate, and in the comments section, he exposed the player's name and said, "If you find him annoying, please press the like button."

[‡ 15] In 2017, through the Central Community Chest of Japan, he donated 1 million yen (about $6,300) to the areas affected by the torrential rains in northern Kyushu.

[109] On January, 2020, in response to the Black Summer bushfires outbreak, they donated $15,000 to the Australian Red Cross and $15,000 to Port Macquarie Koala Hospital.

[111] Celebrities also contributed, including Japanese businessman Yusaku Maezawa,[112] and soccer player Yuto Nagatomo,[113] Hikakin said that he would donate all proceeds from YouTube videos he posted during the fundraising period.

[114] In 2021, he donated 5 million yen (about $31,000) worth of Super Chats to "Support for Preventing COVID-19 Medical Collapse (Yahoo!

[115] In March 2022, 11 years after the Great East Japan Earthquake, sales of the Line stamp "3.11 Things I can do in the future."

Japan and Line as part of a joint project to support the reconstruction of areas affected by the Great East Japan Earthquake and to raise awareness of disaster prevention reached 121,032,20 yen (about $77,000), all of which was donated to prevent the disaster from fading and to support future generations.

[124] On January 19, 2025, he announced in a video that he had been diagnosed with eosinophilic sinusitis, a designated intractable disease, and had undergone surgery.