On Dec. 16, Trien, 22, shared a series of photos of himself sightseeing in Thailand.
He wrote on his Instagram: "The 33rd SEA Games has ended. Thank you everyone for following and supporting me."
Making his SEA Games debut, the athlete went on to win a silver medal in jujitsu.
He visited Nueng Nom Nua, a popular toast shop on Bangkok's Thanon Banthat Thong food street.
The eatery is known for its toast served with a wide variety of sauces, offering more than 20 options for customers.
He enjoyed charcoal-grilled bread topped with matcha chocolate sauce, featuring a soft, creamy interior, as well as fragrant sticky rice with mango served with refreshing coconut milk.
On Dec. 17, track and field athlete Huynh Thi My Tien, 26, shared a series of photos of herself strolling around Bangkok, drawing attention from fans with her fresh look and simple style.
She visited the Talad Noi neighbourhood, where graffiti has transformed old walls and rusted iron gates into an open-air art space.
Tien visited Gugu Longbao, a traditional steamed bun shop over 100 years old to enjoy various types of steamed buns served with rich Thai milk tea.
