Mashiho is a Japanese member of TREASURE.

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Mashiho, along with Keita (former YG trainee), are the first Japanese trainees of YG Entertainment. He was a 7-year trainee of YGE. He appeared in AKMU‘s short film as a café waiter before appearing in YG Treasure Box. He got into the finals, but he didn't get into the final line-up for TREASURE. Eventually, Mashiho was announced as the 2nd member for MAGNUM.