Fumiya Sankai Biography: Siblings, Parents, Height, Age, Net Worth, Pictures, Girlfriend, Movies, Songs
Fumiya Sankai is a multifaceted Japanese entertainer whose vlogs, melodies, and on-screen charisma have woven an enduring tapestry of Japanese heritage and Filipino fervour.
From inaugurating his YouTube odyssey in 2015 to clinching a finalist berth in Pinoy Big Brother: Otso as the inaugural full-Japanese housemate, Sankai’s trajectory embodies cultural synthesis—channelling familial vignettes into viral dispatches, melodic confessions into chart-bound singles, and narrative prowess into celluloid roles.
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| Name: | Fumiya Sankai |
| Born: | March 19, 1995 (age 31 years old) |
| Place of Birth: | Hamamatsu, Shizuoka Prefecture, Japan |
| Nationality: | Japanese |
| Height: | 170 cm |
| Parents: | Mr. and Mrs. Sankai |
| Siblings: | Yuya Sankai, Shunya Sankai, Asami Sankai |
| Spouse: | Kate Valdez |
| Relationship: | Dating |
| Occupation: | Vlogger, Actor, Recording Artist, Influencer |
| Net Worth: | $1 million to $5 million |
Early Life And Education
Fumiya Sankai was born on March 19, 1995, in Hamamatsu, Shizuoka Prefecture, Japan, cradled within the steadfast embrace of Mr. and Mrs. Sankai.
As the eldest of four, he navigated adolescence alongside brothers Yuya and Shunya, and sister Asami, forging indelible bonds that later infused his content with familial candour.
Of Japanese ethnicity and Shinto-Buddhist ethos that permeates his cultural moorings, Sankai’s youth blended modest pursuits—bellhop duties at a local inn—with linguistic curiosity, prompting a 2017 relocation to the Philippines for English immersion under an uncle’s confidant.

Career
Sankai’s vocation ignited in December 2015 alongside brother Shunya, birthing the FumiShun Base YouTube channel as a bilingual chronicle of Japanese-Filipino intersections, amassing over a million subscribers through vignettes of cuisine, customs, and camaraderie.
His 2018 audition for Pinoy Big Brother: Otso catapulted him to Philippine prominence as the first unadulterated Japanese housemate, securing a fifth-place finish that amplified his visibility.
Acting ensued with roles in Mang Kepweng: The Mystery of the Black Scarf (2020), Make It with You (2020), and Apo Hapon (2024), while musical forays yielded the 2019 duet “Paano Kung Hindi Na” with Yamyam Gucong under Star Music.
Pivoting in May 2024, he shuttered FumiShun Base to prioritize artistry, debuting singles like “I” (featuring Kate Valdez) and “Kage Bunshin” in late 2024, alongside ventures into visual exhibits via FumiShun Base Hamamatsu museum (opened 2020).
By 2025, parting with Star Hunt Management, Sankai sustains as an independent auteur, blending vlogs with vinyl and vignettes.
Social Media
- Instagram handle: @23shun_base
- Facebook handle: Fumiya Sankai Official
- Twitter handle: @fumfumfum3
- YouTube Channel: FumiShun Base
- TikTok Handle: @fumiyasankai

Personal Life
Fumiya Sankai nurtures a tender romance with Philippine actress Kate Valdez, blossoming since May 2024—initially platonic, then confessional by August, marked by reciprocal “I love yous” and Disneyland soirees.
Childless and unwed, he envisions perpetuity sans haste, crediting familial bedrock—Mr. and Mrs. Sankai’s quiet fortitude, siblings Yuya, Shunya, and Asami’s convivial orbit—for insulating his peripatetic soul.
His 170 cm frame, etched with subtle tattoos emblematic of transience, mirrors a contemplative demeanour honed by 2020’s LASIK liberation and pandemic repatriation to Hamamatsu.
Sankai’s ethos, a mosaic of Shinto introspection and Filipino exuberance, manifests in guarded disclosures, where relational epiphanies fuel both art and advocacy.
Discography
- “Paano Kung Hindi Na” (with Yamyam Gucong, 2019)
- “I” (2024)
- “Kage Bunshin” (2024)
Filmography
- Mang Kepweng: The Mystery of the Black Scarf (2020; Actor)
- Make It with You (2020; Actor)
- Apo Hapon (2024; Actor)
Net Worth
Fumiya Sankai’s net worth is around $1 million to $5 million, accruing from diversified streams: YouTube ad revenues and sponsorships yielding circa $1.1 million pre-closure, acting residuals from GMA and ABS-CBN projects, Star Music royalties from singles exceeding 500,000 streams, and entrepreneurial dividends from FumiShun Base Hamamatsu museum.
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