Sishe, one of the twelve zodiac animals, ranks sixth in the Earthly Branch. Snakes are seen as symbols of spirituality and divinity, as well as embodiments of coldness and softness. In history, snakes have become a symbol of Chinese culture, symbolizing mysterious spirituality, hidden changes, and strong vitality.
This is from the "Twelve Zodiac Gundam," a Gundam series designed by Okawara Kunio, which is named after the zodiac sign of the year.
The Twelve Zodiac Gundam is an annual tradition for Gundam fans in mainland China, with the first Gundams released in 2019 being "Pig," "Rat," "Ox," "Tiger," "Rabbit," and "Long," and the seventh installment in 2025 will feature "Snake."