In 1995, he started indie activities as a “Seamonator” mainly in his local Nagoya and Tokai areas, and established a new style and movement of HIP HOP in the area. In addition to his releases collaborating with groups from the same hometown-nobodyknows+ and Home Made Kazoku-, he also participated in the work of BENNIE K and was in charge of remixing Chemistry’s songs. He has also collaborated with a number of artists such as Miliyah Kato and RYO (Ketsumeishi), and has gained respect. In 2005, he changed his name to SEAMO because he thought that his activities as a “Seamonator” had been completed. The 4th single "Mata Aimashou" released in April 2006 was a super long hit with great response from radio, cable broadcasting, and karaoke. After grabbing the hearts of the fans, the killer tune "Lupin the Fire", which is a remake of "Lupin III's Theme", punched out the hearts of listeners and entered the top 10 for the first time as a single. His 2nd album "Live Goes On" recorded first on the chart by the first appearance. And he appeared on large TV programs including "Kohaku Uta Gassen" in the same year. In 2007, he launched a local festival "TOKAI SUMMIT" in summer. In 2008, he performed at Nippon Budokan. In March 2009, he became the first HIP HOP solo artist to perform at Yoyogi Daiichi Gymnasium, and on the final day of the tour, he successfully performed at the arena venue, Japan Gaishi Hall in his hometown, Aichi Prefecture. The summer festival "TOKAI SUMMIT" in the Tokai area, which he is the founder of, was held 10 times by 2016, succeeded in establishing its position as one of the large-scale festivals representing the Tokai area. In 2016, released a collaboration album "THE SAME AS YOU" with AZU. In 2017, he released DIGITL EP "ON&On&On" with his “local” Nagoya artists Crystal Boy (nobodyknows+), KURO (Home Made Kazoku), and SOCKS, followed by EP "Zoku ON&On&On". In 2018, he released album "Moshi Moseamo?" 4 years and 3 months from his previous album, and tickets for this memorial national tour were all sold out. On February 20, 2019, full album "Glory" was released and held national tour "Glory". He also released 10th album "Wave My Flag" as SEAMO to commemorate "Seamonator Tengu Day" on 10/9 (Wed.). In January 2020, he released best album "PERFECT SEAMO" and held a national tour "Wave Your SEAMO TOUR". A documentary film "Moshimo Anotoki “If”" supervised by Yukihiko Tsutsumi was screened at Aeon Cinemas in Tokai and Osaka areas. In September, he released "Highway" as a 50th anniversary tie-up song of the Nagoya Expressway Corporation. In March 2021, he released his 11th album "NORA" and was also in charge of the song "R.I.P." of the original animation rap project "HYPNOSISMIC". He continues his energetic activity as a unique HIPHOP artist.