According to the variety show "Goodbye My Love", lisa has a uterine tumor, which affects the liver and kidneys, causing the whole person's abdomen to bulge, much like pregnancy, so Lisa's stomach is so big because of the uterine tumor.
Lisa was born in Hongkong, China, and now lives in Tokyo. She is a Japanese female singer, essayist, novelist, university professor and ambassador of Japan United Nations International Children's Emergency Fund Association.