The closing ceremony at the Bird's Nest marked the end of a Winter Games that featured more than 560 athletes from 46 countries and regions in 78 medal events across six sports.
The alpine sit-skier missed out on winning her fifth medal of the Beijing Paralympics on Saturday when she finished fifth in the women's slalom.
Ukraine has won eight medals — third most, behind China and Canada — after three days of competition, each one a chance to convey a message.
By winning the classical technique event, Kawayoke, a two-time Paralympian, earned his first-ever medal.
With three events remaining, Muraoka is aiming for five gold medals at Yanqing National Alpine Skiing Center, which would equal her medal total from the Pyeongchang Games in 2018.
The team claimed three golds, three silver and a bronze in the biathlon events, just days after arriving in the capital following an arduous journey their top official called a "miracle."