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Sonsi

Sonsi is a rapper whose debut album Nisemono and RAPSTAR 2025 appearance have led to a run of releases and a two-man live. His next confirmed date is a November 26 show with BABYWOODROSE at Shibuya WWW X.

Synthesized from 4 Yomimono stories · updated Sep 21

Sonsi's rise runs through the audition program RAPSTAR 2025. That appearance is the origin point for the four stories here: the beat he used on the show came from STUTS, and the relationship carried into his released work.

His debut album Nisemono arrived with the track Omoidoori, produced by Koshy and STUTS. The music video, directed by Kazuki Ito, was released in July. Weeks later, on July 29, Sonsi and STUTS released BBA Spice, a studio version of the song he performed on RAPSTAR 2025 with an added second verse and STUTS handling arrangement and mixing.

The most recent story puts Sonsi on a two-man bill with BABYWOODROSE at Shibuya WWW X on November 26. The show is part of the XX series run by Shibuya WWW, with tickets at 4,000 yen in advance and a lottery reception that opened September 18 at 19:00 and closed September 25 at 23:59. The pairing places him alongside another recent headliner, BABYWOODROSE.

Key facts

Upcoming live
Two-man live with BABYWOODROSE, "WWW & WWW X Anniversaries <XX> BABYWOODROSE x Sonsi," on Thursday, November 26 at Shibuya WWW X in Tokyo ↗
Ticket price
4,000 yen in advance ↗
Lottery window
Friday, September 18 at 19:00 to Friday, September 25 at 23:59 ↗
Recent release
BBA Spice by Sonsi & STUTS, released July 29, with a previously unheard second verse and STUTS on arrangement and mixing ↗
Debut album
Nisemono, containing the track Omoidoori ↗
Music video director
Kazuki Ito directed the Omoidoori video ↗
Producers
Koshy and STUTS produced Omoidoori; STUTS provided the beat for the RAPSTAR 2025 appearance ↗
Audition program
RAPSTAR 2025, where the BBA Spice performance and the STUTS beat originated ↗

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Facts

Announced
two-man live "WWW & WWW X Anniversaries <XX> BABYWOODROSE x Sonsi" on Thursday, November 26 at Shibuya WWW X in Tokyo · 2026-09-18
Release
music_video · 2026 · 2026-07-14

Connections

Produces
bba spice

Structured graph also available as JSON at /public/entities/sonsi. CC BY 4.0.

All coverage

Sep 18

BABYWOODROSE And Sonsi Set Two-Man Live At Shibuya WWW X

Rappers BABYWOODROSE and Sonsi will hold a two-man live, "WWW & WWW X Anniversaries <XX> BABYWOODROSE x Sonsi," on Thursday, November 26 at Shibuya WWW X in Tokyo. The show is part of XX, the hip-hop two-man live series run by Shibuya WWW. Tickets are 4,000 yen in advance, with a lottery reception from Friday, September 18 at 19:00 to Friday, September 25 at 23:59.

Aug 21

RAPSTAR2026 Draws 12,953 Applicants, Highest Ever

ABEMA's rapper discovery audition RAPSTAR2026 has drawn 12,953 applicants, the highest ever, nearly double last year's 6,780. The 2026 season premieres October 10 on ABEMA, with a 10 million yen prize, up from 3 million. Seven producers provided beats for application videos.

Aug 7

Sonsi and STUTS Release New Version of BBA Spice

Rapper Sonsi and producer STUTS released the track BBA Spice on July 29. The song, which Sonsi performed on the audition show RAPSTAR 2025, now includes a previously unheard second verse. STUTS rearranged and mixed the track, credited as Sonsi & STUTS.

Jul 14

Sonsi Releases 'Omoidoori' Music Video With Koshy and STUTS

Rapper Sonsi has released the music video for 'Omoidoori', a track from his debut album 'Nisemono'. The video was directed by Kazuki Ito, known for work with Yuki Chiba. The song is produced by Koshy and STUTS, the latter having provided the beat for Sonsi's breakthrough challenge on the audition program 'RAPSTAR 2025'.