Seiya Kaihatsu professionally known as Seikin, is a Japanese YouTuber and singer-songwriter. His younger brother is YouTuber Hikakin, who is also a member of the Japanese music group Hikakin & Seikin.
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SpotifyLoads from Spotify when you press play
Open artist page on SpotifyIn their orbit 1
YouTubers from Japan 6
About this person
Country
JapanCategory
YouTubers
Type
YouTuber
Status
living
Dates
Born 1987 · age 39
Written about in
3 languages
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