Mamehara Issei (豆原 一成)
Mamehara Issei (豆原 一成) is a Japanese dancer, rapper, and dancer. He is the youngest member of the Jpop group JO1 formed through the survival show Produce 101 Japan under LAPONE ENTERTAINMENT. Mamehara Issei made his debut with JO1 on March 4, 2020.
- Birth Name: Mamehara Issei (豆原 一成)
- Stage Name: Mamehara Issei (豆原 一成)
- Position: Main dancer, Rapper, Vocalist, Maknae
- Birthday: May 30th, 2002
- Blood Type: O
- Height: 5'8" (173cm)
- Weight: 69kg (152lbs)
- Zodiac Sign: Gemini
