Ranmaru Kishitani (born 7 July 2001) is a Japanese television personality, influencer and businessperson. He co-founded MMBH Study Abroad, a company that coaches students for entry to top overseas universities, and established the media platform Ryu Pass, which shares information on overseas universities and experiences of Japanese students abroad. Before using his real name in late 2024, he posted videos under the name Yunoki Ranmaru, without revealing his background.
Early life and education
Kishitani is the eldest son of actor Goro Kishitani and singer Kaori Kishitani, formerly of the band Princess Princess. He developed a serious childhood illness, juvenile rheumatoid arthritis, at the age of three and spent much of his early years in and out of hospital. After being disengaged from middle school, he studied in the Philippines and then the United States, later gaining admission to universities in London and Milan, where he began his studies at Bocconi University in 2022.
Career and media work
In February 2023 he founded MMBH Study Abroad, an English and essay coaching business for students aiming at leading overseas universities. Since 2025 he has appeared as a commentator on the TBS news programme Nstar and hosted several web and radio programmes, including talk shows on NewsPicks and J-WAVE. He has also appeared in advertising campaigns for eyewear and fashion brands, and his YouTube channel passed 100,000 subscribers in November 2025.