San has a Plushie collection and often carries one named Shiber.
San auditioned to join YG Entertainment's survival program, MIXNINE, but didn't pass.
His father named him San because he wanted him to be a comforting hill for some people and for others, an enormous mountain that they can’t dare to challenge.
San's family own a Taekwondo Studio.
San is fluent/has a good pronunciation of English.
He spent more time with his grandparents than his parents growing up.
His favourite colour is purple.
San is a fan of Justin Bieber, Zion T, and Dean.
He searches Twitter for his name a lot
San is like the comedian when it’s just the group in private according to Seonghwa. (Forbes Interview)