Reina Triendl

Reina Triendl is an Austrian-Japanese model, television personality, and actress based in Japan. She is best known for her work across print media, her prominent role as a studio commentator for the reality television franchise Terrace House, and her starring performance in the award-winning feature film Tag.

Born in Vienna, Austria, to an Austrian father and a Japanese mother, Triendl spent her childhood in multiple countries, including France and the United States, due to her father's employment. She has a younger sister named Luna. During her first year of high school, her family relocated to Tokyo, Japan. Triendl completed her secondary education at International Christian University High School and went on to attend Keio University, where she graduated in September 2015 after taking temporary leave to accommodate her work commitments.

Triendl was scouted during her second year of high school and subsequently signed with the agency Platinum Production to begin her modeling career. Over her career in fashion print, she was featured as an exclusive model for the publications JJ and Vivi, and later became an exclusive model for With. On November 5, 2024, she officially ended her tenure with Platinum Production and transferred to the agency Amuse.

In 2011, Triendl made her initial foray into music as a featured performer on Rocketman's single "Love Disco." Her broadcast career expanded on January 11, 2013, during the second season of Terrace House: Boys × Girls Next Door, when she became a studio commentator for the series. She went on to maintain her commentator position throughout every installment of the Terrace House franchise.

Triendl debuted as an actress in the 2012 television drama Kuro no Onna Kyōshi. She achieved significant recognition in 2015 after starring in the lead role of the horror movie Tag, a performance that earned her the Best Actress Award at the 19th Fantasia International Film Festival in Canada.

In late 2021, Triendl appeared in Watashitachi Kekkon Shimashita 2, the second season of the Japanese version of We Got Married, where she was paired with actor Kōdai Asaka. In January 2022, she published her second photobook, Aimai, which achieved a fifth-place spot on the Oricon weekly photobook chart.

In her personal life, Triendl married actor Naohiro Yamamoto on January 19, 2024. She announced her first pregnancy on January 14, 2026, and gave birth to her first child on February 22.