Large color photographs and two videos center on Asian men and women who weep stoically, and sometimes lip-synch to impassioned songs, in nondescript interiors. What causes their grief? Is it authentic, or as staged as the operas and pop dramas to which the music alludes? Coming from a culture in which emotions are routinely suppressed in public, the artist-who has earned advanced degrees in both her native Korea and the U.S.-has titled her show (ironically?) “Homo Sentimentalis,” novelist Milan Kundera’s term for the kind of person who “shows off” personal feelings.