Sakamoto Mashiro

Sakamoto Mashiro is a Japanese idol currently based in South Korea. In 2021, she joined Mnet's idol program Girls Planet 999. She ranked eighth in the program's finale, thus, making her a member of girl group, Kep1er. She was also the co-leader of the group. In 2024, Mashiro's contract with Kep1er expired. She returned to her agency which they placed her in their kpop group, Madein. She is signed under 143 Entertainment.