Mashiho is a member of Treasure. He is a vocalist and dancer in the group.
In 2018, Mashiho was in YGE's survival show "YG Treasure Box". While he did not make it into the final group, YGE announced that he would be in a second group from the show called MAGNUM on January 29, 2019. MAGNUM and Treasure were intended to be two units that would promote both as separate units and as the full group TREASURE 13. The debut of these groups ended up being post-phoned due to controversies around the agency.
YGE announced on January 6, 2020 that they would combine the units together into simply one group known as Treasure. Treasure released their performance video for their pre-debut track "GOING CRAZY" on January 30. YGE announced on July 20 that Treasure would debut on August 7 with a teaser video and poster. Treasure debuted on August 7 with their single albulm "THE FIRST STEP : CHAPTER ONE".
|YG Treasure Box
||JTBC2||2018 - 2019
- He is from the Mie Prefecture, Japan.
- He is left handed.
- He is an only child.
- In Japan, he has a dog called Kotesu.
- His favorite color is purple.
- His Korean name is Jin Saebom and his English name is Mama.
- He likes gold, playing drums, decorating a room, fashion, and cooking.
- He is good at basketball, acrobatics, cleaning, and working out.
- He wanted to be a singer since he was a child.
- He produces music with Asahi.