JUMADIBA Biography: Siblings, Parents, Age, Net Worth, Height, Music, Girlfriend

Seiju, better known by his stage name JUMADIBA, is a Japanese rapper and musical artist celebrated for his innovative blend of hip-hop, trap, and introspective lyrics that capture the essence of Tokyo’s youth culture.

Starting from self-produced mixtapes, he has risen in the underground scene with albums that explore personal contradictions and societal themes, collaborating with artists like Ralph and JJJ while establishing a distinct voice in contemporary Japanese rap.

Profile

• Full Name: Seiju
• Stage Name: JUMADIBA
• Born: 1998
• Age: 27 years old
• Birthplace: Suginami Ward, Tokyo, Japan
• Nationality: Japanese
• Occupation: Rapper and Musical Artist
• Height: Unknown
• Parents: Unknown
• Siblings: Unknown
• Spouse: None
• Children: None
• Relationship: Single
• Net Worth: $100,000

Early Life and Education

Seiju was born in 1998 in Suginami Ward, Tokyo, to parents whose names have not been publicly disclosed. Details about siblings remain unknown. He attended college, where he met collaborator Mare Interno and began studying videography around 2019. His ethnicity is Japanese, and his religion is unknown.

Career

Seiju began his career under the stage name JUMADIBA by self-producing tracks, drawing from personal experiences and Tokyo’s urban influences. He released his debut mixtape, Kusabi, in June 2021, handling all production for its six tracks, which introduced his raw, multifaceted style that blends trap elements with Japanese lyricism.

This project gained initial recognition through underground events, such as the K/U/S/A/B/I MASSACRE party at Forestlimit, marking its entry into the scene.

JUMADIBA‘s profile grew with collaborations and releases, such as “Kick Up,” featuring Ralph in 2022, produced by Double Clapperz, which showcased aggressive flows over catchy beats.

His 2023 album, Nobori, solidified his presence, featuring standout tracks such as “Asian,” later remixed with JJJ, and exploring themes of ambition and identity. These works transitioned him from independent mixtapes to broader acclaim in Japan’s hip-hop community.

JUMADIBA expands his catalogue with projects like IEGUMO in 2025, incorporating remixes and high-energy productions that resonate with global audiences through features in soundtracks, such as EA SPORTS FC 25. His chant-like rap style addresses shared contradictions, inspiring a new wave of artists focused on authenticity and cultural introspection.

Social Media

• Instagram Handle: @jumadiba_assaji
• Facebook Handle: Unknown
• Twitter Handle: @jumadiba1

Personal Life

Seiju maintains a private existence, emphasising the importance of bonds with family, friends, and loved ones as irreplaceable aspects of life. No details about spouses or romantic partners have surfaced, and he has no known children.

Discography

• Kusabi (2021)
• nobori (2023)
• IEGUMO (2025)

Net Worth

Seiju is estimated to possess a net worth of $100,000. His income is derived from streaming royalties, album sales, and live performances.