ArtistJYP Entertainment
Seita
Kawashima Seita is a rapper and vocalist of NEXZ, the JYP Entertainment and Sony Music Entertainment Japan boy group formed through Nizi Project Season 2. Born November 28, 2006, in Saitama, Japan, he spent seven years working as a professional model before deciding to pursue an idol career after discovering Stray Kids. His admiration for the group led him to audition for Nizi Project Season 2, where he ranked seventh in the finals and debuted with NEXZ on May 20, 2024.
Seita's seven-year professional modeling career before his debut is unusual among K-pop trainees. It gave him a composed, editorial visual presence that stands out in NEXZ concept shoots and performance stages. His rapper position was confirmed during CLUB NEXZ EP.4, establishing him as one of the group's primary rap voices. NEXZ released the EP Nallina in October 2024, O-RLY? in April 2025, and Beat-Boxer in October 2025. The group completed their One Bite Japan tour in summer 2025 with 18 shows across 15 cities drawing more than 50,000 attendees, and held their first Korean concert One Beat at Olympic Hall in Seoul in October 2025. He has an older sister born in 1997 and shares a dorm room with member Hyui.
0 articles4 creditsDebut: May 20, 2024Japanese
Fans Also Ask
Who is Seita from NEXZ?
Seita (Kawashima Seita, born November 28, 2006) is a rapper and vocalist of NEXZ. Born in Saitama, Japan, he worked as a professional model for seven years before debuting with NEXZ on May 20, 2024. He was inspired to become an idol after discovering Stray Kids.
Did Seita from NEXZ work as a model?
Yes. Seita worked as a professional model for seven years before pursuing a career as an idol. His modeling background gives him a distinct editorial composure in NEXZ photoshoots, concept shoots, and live stage presentations.
Who inspired Seita to become an idol?
Seita was inspired by Stray Kids. After discovering the group, he decided to pursue an idol career and auditioned for Nizi Project Season 2, which led to him joining NEXZ under JYP Entertainment and Sony Music Entertainment Japan.
What is NEXZ's discography?
NEXZ released their debut single Ride the Vibe on May 20, 2024, followed by the EP Nallina in October 2024, O-RLY? in April 2025, and Beat-Boxer in October 2025. The One Bite Japan tour ran 18 shows across 15 cities with more than 50,000 attendees in summer 2025.
When did NEXZ debut?
NEXZ debuted on May 20, 2024, with their first single album Ride the Vibe under JYP Entertainment and Sony Music Entertainment Japan.
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