When the two sisters were in middle school they volunteered for two months with the church in northern Thailand, in a desperately poor area. When her fellow students were all preparing for the middle school Basic Competency Test, at age 15 Shu-ya went off by herself to Guangxi in China to volunteer in an orphanage taking care of severely disabled orphans.
黃家兩姊妹國中時就前往貧瘠蠻荒的泰北教會當志工兩個月；而當同學都在準備國中基測時，15 歲的書亞則隻身前往中國廣西的孤兒院當志工，照料重殘孤兒。