KUALA LUMPUR, Sept. 1 -- As the country celebrated its 68th Merdeka, it was not just jockeys and thoroughbreds stealing the spotlight at the Selangor Turf Club (STC) this year.

Instead, Malaysia's last premier racecourse took on a new twist, becoming an unlikely gathering spot for hundreds of fans of the popular Japanese franchise Umamusume: Pretty Derby, as they transformed the STC into a surprising celebration of anime, patriotism and equine heritage.

Joining old-school and regular punters, Umamusume fans and cosplayers trickled in throughout the afternoon to attend the Merdeka Cup - one of many special horse races staged in conjunction with Malaysia's independence.

The event kicked off shortly after noon with the ceremonial raising ...