Stage name: Sanha
Real name: Yoon San Ha
In Astro: vocalist, maknae
Birthday: March 21, 2000
Zodiac sign: Aries
Birthplace: Seoul, South Korea
Special talents: guitar, flexible body, dance, fast learner
1) Yoon San Ha has 2 older brothers: Junha (1995) and Jeha (1998).
2) Nickname Sanha "Beagle".
3) Yoon Sanha's personality: pure and innocent.
4) Father and brothers taught Sanha how to play the guitar.
5) Yoon Sanha attended the A-Sound Music Academy where he studied in a vocal class and also improved his guitar skills for 8 months.